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 <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><a name="scotch"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">As filed with the Securities and Exchange Commission on June 20, 2007</font></b></a></p> <div style="border:none;border-bottom:double windowtext 6.0pt;padding:0pt 0pt 0pt 0pt;"> <p align="right" style="border:none;margin:0pt 0pt 12.0pt;padding:0pt;text-align:right;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Registration No. 333-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></b></p> </div>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="1" face="Times New Roman" style="font-size:6.0pt;">&nbsp;</font></p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:auto;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;">UNITED STATES</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:auto;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;">SECURITIES AND
EXCHANGE COMMISSION</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt 6.0pt;page-break-after:auto;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Washington, DC 20549</font></b></p>

<div style="line-height:9.0pt;margin:0pt 0pt 6.0pt;text-align:center;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

<p style="font-weight:bold;margin:0pt 0pt 12.0pt;page-break-after:auto;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;">FORM S-8</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:auto;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;">REGISTRATION
STATEMENT UNDER</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt 6.0pt;page-break-after:auto;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;">THE SECURITIES ACT OF 1933</font></b></p>

<div style="line-height:normal;margin:0pt 0pt 6.0pt;text-align:center;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:auto;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;">On Assignment,
Inc.</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact Name of Registrant as Specified in Its
Charter)</font></p>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:50.0%;">
  <p align="center" style="font-size:10.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading --><b>Delaware</b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:2.32%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:47.68%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">95-4023433</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:50.0%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or Other
  Jurisdiction of Incorporation or Organization)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:2.32%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:47.68%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(I.R.S. Employer
  Identification Number)</font></p>
  </td>
 </tr>
</table>

</div>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">26651 West Agoura Road</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Calabasas, California&#160; 91302</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(818) 878-7900</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address, Including Zip Code, and Telephone Number, Including Area Code,
of Registrant&#146;s Principal Executive Offices)</font></p>

<div style="line-height:normal;margin:0pt 0pt 12.0pt;text-align:center;text-autospace:none;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ON ASSIGNMENT, INC.</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">RESTATED 1987 STOCK OPTION PLAN</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ON ASSIGNMENT, INC.</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">EMPLOYEE STOCK PURCHASE PLAN</font></b></p>

<p align="center" style="font-size:10.0pt;margin:0pt 0pt 12.0pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(</font></b>Full Title of the Plan(s))</p>

<div style="line-height:normal;margin:0pt 0pt 12.0pt;text-align:center;text-autospace:none;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">On Assignment, Inc.</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">James Brill</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Senior Vice President and Chief
Financial Officer</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">26651 West Agoura Road</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Calabasas, California&#160; 91302</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(818) 878-7900</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Name, Address, Including Zip Code, and Telephone Number, Including
Area Code, of Agent for Service)</font></p>

<div align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-autospace:none;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Copy to:</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Steven B. Stokdyk, Esq.</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Latham &amp; Watkins LLP</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">633 West Fifth Street, Suite 4000</font></b></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Los Angeles, California&#160; 90071</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(213)
485-1234</font></b></p>

<div align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-autospace:none;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">CALCULATION OF REGISTRATION FEE</font></b></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="32%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:32.1%;">
  <p style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading -->Title of Securities<br>
  To Be Registered(1)</p>
  </td>
  <td width="1%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="14%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:14.48%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Amount<br>
  To Be<br>
  Registered(2)(3)</font></b></p>
  </td>
  <td width="1%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="17%" colspan="2" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:17.34%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Proposed Maximum<br>
  Offering Price<br>
  Per Share(4)</font></b></p>
  </td>
  <td width="1%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="16%" colspan="2" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:16.26%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Proposed Maximum<br>
  Aggregate Offering<br>
  Price</font></b></p>
  </td>
  <td width="1%" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:1.0%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="14%" colspan="2" valign="bottom" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:none;border-top:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:14.66%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Amount Of<br>
  Registration Fee</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="32%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:32.1%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="14%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:14.48%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="17%" colspan="2" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:17.34%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="16%" colspan="2" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:16.26%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:1.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="14%" colspan="2" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:14.66%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="32%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:32.1%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Common Stock, $0.01 par value per share to be issued
  under the Restated 1987 Stock Option Plan</font></p>
  </td>
  <td width="1%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="14%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:14.48%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2,900,000</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt 0pt 0pt 0pt;width:1.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
  </td>
  <td width="16%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:16.34%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.12</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt 0pt 0pt 0pt;width:1.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
  </td>
  <td width="15%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:15.28%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">29,348,000</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:1.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt 0pt 0pt 0pt;width:1.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
  </td>
  <td width="13%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:13.66%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">901</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="32%" valign="top" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:32.1%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Common Stock, $0.01 par value per share to be issued
  under the Employee Stock Purchase Plan</font></p>
  </td>
  <td width="1%" valign="top" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="14%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:14.48%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">400,000</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt 0pt 0pt 0pt;width:1.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
  </td>
  <td width="16%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:16.34%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.12</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:1.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt 0pt 0pt 0pt;width:1.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
  </td>
  <td width="15%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:15.28%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4,048,000</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:1.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt 0pt 0pt 0pt;width:1.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$</font></p>
  </td>
  <td width="13%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:13.66%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">125</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 6.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<p align="left" style="font-size:10.0pt;margin:0pt 0pt 12.0pt 36.0pt;text-align:left;text-indent:-36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>The
On Assignment, Inc. Restated 1987 Stock Option Plan, as amended and restated on
April 7, 2006 and further amended on January 23, 2007 and April 17, 2007 (the &#147;Stock
Option Plan&#148;), authorizes the issuance of a maximum of 13,900,000 shares of
common stock.&#160; The On Assignment, Inc.
Employee Stock Purchase Plan as amended and restated on June 18, 2002 and
further amended on January 23, 2007 (the &#147;ESPP&#148;), authorizes the issuance of a
maximum of 1,200,000 shares of common stock.</p>

<p align="left" style="font-size:10.0pt;margin:0pt 0pt 12.0pt 36.0pt;text-align:left;text-indent:-36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>In
the event of a stock split, stock dividend or other transaction involving On
Assignment, Inc.&#146;s common stock, the number of shares registered hereby shall
automatically be increased to cover additional shares in accordance with Rule
416(a) under the Securities Act of 1933, as amended (the &#147;Securities Act&#148;).</p>

<p align="left" style="font-size:10.0pt;margin:0pt 0pt 12.0pt 36.0pt;text-align:left;text-indent:-36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(3)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Each
share of common stock includes one right to purchase Series A Junior
Participating Preferred Stock pursuant to a Rights Agreement, dated as of June
4, 2003, between On Assignment, Inc. and U.S. Stock Transfer Corporation, for
which no separate fee is payable pursuant to Rule 457.</p>

<p align="left" style="font-size:10.0pt;margin:0pt 0pt 12.0pt 36.0pt;text-align:left;text-indent:-36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(4)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Estimated
solely for the purpose of computing the registration fee required by
Section&nbsp;6(b) of the Securities Act and, pursuant to Rules&nbsp;457(c) and
(h) under the Securities Act, based upon the average of the high and low prices
of our common stock on June 14, 2007, which date is within five business days
prior to the initial filing of this registration statement, as reported on the
NASDAQ National Market.</p>


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</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-indent:0pt;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">INTRODUCTION</font></u></b></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This Registration Statement on Form S-8 is filed by On Assignment, Inc.
(referred to herein as &#147;our,&#148; &#147;we,&#148; &#147;us,&#148; &#147;the Company&#148; and &#147;the Registrant&#148;)
relating to 2,900,000 shares of our common stock, par value $0.01 per share (&#147;Common
Stock&#148;), issuable to our eligible employees, directors and consultants under
our Restated 1987 Stock Option Plan, as amended and restated on April 7, 2006
and further amended on January 23, 2007 and April 17, 2007 (the &#147;Stock Option
Plan&#148;), and 400,000 shares of Common Stock issuable to our eligible employees
under our Employee Stock Purchase Plan as amended and restated on June 18, 2002
and further amended on January 23, 2007 (the &#147;ESPP&#148; and collectively with the
Stock Option Plan, the &#147;Plans&#148;).&#160; The
Company has previously registered shares of Common Stock issuable under the
Stock Option Plan by Registration Statements on Form S-8 filed with the
Commission on June 17, 2003, May 31, 2001, October 28, 1997 and January 19,
1993, Registration Nos. 333-106203, 333-61998, 333-38849 and 033-57078,
respectively.&#160; The Company has previously
registered shares of Common Stock issuable under the ESPP by a Registration
Statement on Form S-8 filed with the Commission on January 19, 1993, Registration
No. 033-57078.&#160; In accordance with
Instruction E to Form S-8, the contents of these previously filed Registration
Statements are incorporated by reference herein to the extent not modified or
superseded hereby or thereby or by a subsequently filed document that is
incorporated by reference herein or therein.</font></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PART I</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt 36.0pt;text-align:center;text-indent:-36.0pt;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</font></u></b></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The documents containing the information specified in Part I of Form
S-8 will be delivered to participants in the Plans as specified by Rule
428(b)(1) of the Securities Act.&#160; In
accordance with Rule 428 of the Securities Act and the requirements of Part I
of Form S-8, such documents are not being filed with the Securities and
Exchange Commission (the &#147;Commission&#148;) either as part of this registration
statement or as prospectuses or prospectus supplements pursuant to Rule 424 of
the Securities Act.&#160; The Registrant shall
maintain a file of such documents in accordance with the provisions of Rule
428(a)(2) of the Securities Act.&#160; Upon
request, the Registrant shall furnish to the Commission or its staff a copy of
any or all of the documents included in the file.</font></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PART II</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-indent:0pt;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">INFORMATION REQUIRED IN THE
REGISTRATION STATEMENT</font></u></b></p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 3.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font></b><b>Incorporation of Documents by
Reference</b></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The following documents, which were filed by the Registrant with the
Commission pursuant to Sections 13(a) or 15(d) of the Securities Exchange Act
of 1934, as amended (the &#147;Exchange Act&#148;), are incorporated herein by reference:</font></p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 72.0pt;text-align:left;text-indent:-36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>On Assignment&#146;s Annual Report on Form 10-K
for the year ended December 31, 2006, filed with the Commission on March 16,
2007, containing audited financial statements for each of the years in the
three-year period ended December 31, 2006;</p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 72.0pt;text-align:left;text-indent:-36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>On Assignment&#146;s Quarterly Report on Form 10-Q
for the period ended March 31, 2007, filed with the Commission on May 10, 2007;</p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 72.0pt;text-align:left;text-indent:-36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>On Assignment&#146;s Current Reports on Form 8-K
filed with the Commission on January 5, 2007, January 9, 2007, January 30,
2007, February 6, 2007 and April 4, 2007 and Form 8-K/A filed with the
Commission on March 21, 2007 and April 18, 2007; and</p>


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<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 72.0pt;text-align:left;text-indent:-36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>The description of capital stock contained in
On Assignment&#146;s Registration Statement on Form S-3 (File No. 333-88034) filed
with the Commission on May 25, 2006, including any amendment or report filed
for the purpose of updating such description.</p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">In addition, all documents filed with the Commission by the Registrant
pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent
to the date of this Registration Statement and prior to the filing of a
post-effective amendment to this Registration Statement which indicates that
all securities offered hereby have been sold or which deregisters all
securities then remaining unsold, shall be deemed to be incorporated by
reference in this Registration Statement and to be a part hereof from the date
of filing of such documents.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Any statement contained herein or in a document incorporated or deemed
to be incorporated herein by reference shall be deemed to be modified or
superseded for purposes of this Registration Statement to the extent that a
statement contained herein or in any subsequently filed document which also is,
or is deemed to be, incorporated by reference herein modifies or supersedes
such statement.&#160; Any statement so
modified or superseded shall not be deemed, except as so modified or
superseded, to constitute a part of this Registration Statement.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Unless expressly indicated, a Current Report furnished to the
Commission on Form 8-K pursuant to Item 2.02 or Item 9.01 shall not be
incorporated by reference into this Registration Statement.</font></p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 4.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font></b><b>Description of Securities</b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not
applicable.</font></p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt;page-break-after:avoid;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 5.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font></b><b>Interests of Named Experts and Counsel</b></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not applicable.</font></p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 6.</font></b><b><font size="1" style="font-size:3.0pt;font-weight:bold;">&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font></b><b>Indemnification of Directors and
Officers</b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Delaware Law</font></b></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 145 of the Delaware General Corporation Law (the &#147;DGCL&#148;),
permits a corporation, under specified circumstances, to indemnify its
directors, officers, employees or agents against expenses (including attorneys&#146;
fees), judgments, fines and amounts paid in settlements actually and reasonably
incurred by them in connection with any action, suit or proceeding brought by
third parties by reason of the fact that they were or are directors, officers,
employees or agents of the corporation, if such directors, officers, employees
or agents acted in good faith and in a manner they reasonably believed to be in
or not opposed to the best interests of the corporation and, with respect to
any criminal action or proceeding, had no reason to believe their conduct was
unlawful.&#160; In a derivative action, i.e.,
one by or in the right of the corporation, indemnification may be made only for
expenses actually and reasonably incurred by directors, officers, employees or
agents in connection with the defense or settlement of an action or suit, and
only with respect to a matter as to which they shall have acted in good faith
and in a manner they reasonably believed to be in or not opposed to the best
interests of the corporation, except that no indemnification shall be made if
such person shall have been adjudged liable to the corporation, unless and only
to the extent that the court in which the action or suit was brought shall
determine upon application that the defendant directors, officers, employees or
agents are fairly and reasonably entitled to indemnity for such expenses
despite such adjudication of liability.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Our restated certificate of incorporation, as amended, provides that no
director shall be personally liable to us or any of our stockholders for
monetary damages resulting from breaches of their fiduciary duty as directors,
except to the extent such limitation on or exemption from liability is not
permitted</font></p>


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<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">under the DGCL.&#160; The effect of this provision of our
certificate of incorporation is to eliminate our rights and those of our
stockholders (through stockholders&#146; derivative suits on our behalf) to recover
monetary damages against a director for breach of the fiduciary duty of care as
a director, including breaches resulting from negligent or grossly negligent
behavior, except, as restricted by the DGCL:</font></p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 54.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>for any breach of the director&#146;s duty of
loyalty to the Company or its stockholders;</p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 54.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>for acts or omissions not in good faith or
that involve intentional misconduct or a knowing violation of law;</p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 54.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>in respect of certain unlawful dividend
payments or unlawful stock purchases or redemptions; and</p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 54.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Symbol" style="font-size:10.0pt;">&#183;</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>for any transaction from which the director
derives an improper personal benefit.</p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This provision does not limit or eliminate our rights or the rights of
any stockholder to seek non-monetary relief, such as an injunction or
rescission, in the event of a breach of a director&#146;s duty of care.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If the DGCL is amended to authorize corporate action further reducing
or limiting the liability of directors, then, in accordance with our
certificate of incorporation, the liability of our directors to us or our
stockholders will be reduced or limited to the fullest extent authorized by the
DGCL, as so amended.&#160; Any repeal or
amendment of provisions of our restated certificate of incorporation, as
amended, reducing or limiting the liability of directors, whether by our
stockholders or by changes in law, will (unless otherwise required by law) be
prospective only, except to the extent such amendment or change in law permits
us to further reduce or limit the liability of directors on a retroactive
basis.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Restated Certificate of
Incorporation and Amended and Restated Bylaws</font></b></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Our restated certificate of incorporation, as amended, provides that we
are authorized, to the fullest extent permitted by applicable law, to indemnify
our current and former directors or officers (and any other person to which the
DGCL permits us to provide indemnification) through provisions in our bylaws,
agreements with such directors, officers or other persons, the vote of
stockholders or disinterested directors or otherwise, in each case, in excess
of the indemnification and advancement rights otherwise permitted by Section
145 of the DGCL, subject only to limits created by applicable Delaware law
(including the DGCL and case law), with respect to actions for breach of duty
to the Company, its stockholders and others.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Any repeal or modification of provisions of our certificate of
incorporation affecting indemnification rights, whether by our stockholders or
by changes in law, will (unless otherwise required by law) be prospective only,
except to the extent such amendment or change in law permits us to provide
broader indemnification rights on a retroactive basis, and will not in any way
diminish or adversely affect any right or protection existing at the time of
such repeal or modification with respect to any act or omission occurring prior
to such repeal or modification.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The rights to indemnification and advancement of expenses shall not be
deemed exclusive of any other rights which any person covered by our
certificate of incorporation may have or hereafter acquire under law, our
certificate of incorporation, our bylaws, an agreement, vote of stockholders or
disinterested directors, or otherwise.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Our amended and restated bylaws provide that we will, to the fullest
extent authorized by applicable law, as such laws may be amended and
supplemented from time to time, indemnify our current and former agents made,
or threatened to be made, a party to an action or proceeding, whether criminal,
civil, administrative or investigative, by reason of being an agent of the
Company or a predecessor</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">4</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">company or, at the Company&#146;s request, a
director or officer of corporation; provided, however, that the Company shall
indemnify any such agent in connection with a proceeding initiated by such
agent only if such proceeding was authorized by the board of directors of the
Company.&#160; This right of indemnification
shall (i) not be deemed exclusive of any other rights to which such indemnified
parties may be entitled under any bylaw, agreement or vote of stockholders or
disinterested directors or otherwise, both as to action in their official
capacities and as to action in another capacity while holding such office, (ii)
continue as to a person who has ceased to be an agent, and (iii) inure to the
benefit of the heirs, executors and administrators of such a person.&#160; Our obligation to provide indemnification
under our bylaws shall be offset to the extent of any other source of
indemnification or any otherwise applicable insurance coverage under a policy
maintained by the Company or any other person.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Our amended and restated bylaws provide that expenses incurred by an
agent of the Company in defending a civil or criminal action, suit or
proceeding by reason of the fact that he is or was an agent of the Company (or
was serving at the Company&#146;s request as a director or officer of another
corporation) shall be paid by the Company in advance of the final disposition
of such action, suit or proceeding upon receipt of an undertaking by or on
behalf of such agent to repay such amount if it shall ultimately be determined
that he or she is not entitled to be indemnified by the Company as authorized
by relevant sections of the DGCL.&#160;
Notwithstanding the foregoing, the Company is not required to advance
such expenses to an agent who is a party to an action, suit or proceeding
brought by the Company and approved by a majority of the members of the board
of directors of the Company which alleges willful misappropriation of corporate
assets by such agent, disclosure of confidential information in violation of
such agent&#146;s fiduciary or contractual obligations to the Company or any other
willful and deliberate breach in bad faith of such agent&#146;s duty to the Company
or its stockholders.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The foregoing right to indemnification conferred by our amended and
restated bylaws is a contract right between the Company and each agent who
serves in such capacity at any time while the bylaws are in effect, and any
repeal or modification thereof shall not affect any rights or obligations then
existing with respect to any state of facts then or theretofore existing or any
action, suit or proceeding theretofore or thereafter brought based in whole or
in part upon any such state of facts.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The board of directors, in its discretion, has the power on behalf of the
Company to indemnify any person, other than a director, made a party to any
action, suit or proceeding by reason of the fact that he or she, his or her
testator or intestate, is or was an officer or employee of the Company.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">To assure the indemnification under our amended and restated bylaws of
all directors, officers and employees who are determined by the Company or
otherwise to be or to have been &#147;fiduciaries&#148; of any employee benefit plan of
the corporation which may exist from time to time, Section 145 of the DGCL
shall, for the purposes of our amended and restated bylaws, be interpreted as
follows: (i) an &#147;other enterprise&#148; shall be deemed to include such an employee
benefit plan, including, without limitation, any plan of the Company which is
governed by the Act of Congress entitled &#147;Employee Retirement Income Security
Act of 1974,&#148; as amended from time to time; (ii) the Company shall be deemed to
have requested a person to serve an employee benefit plan where the performance
by such person of his duties to the Company also imposes duties on, or
otherwise involves services by, such person to the plan or participants or
beneficiaries of the plan; excise taxes assessed on a person with respect to an
employee benefit plan pursuant to such Act of Congress shall be deemed &#147;fines.&#148;</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Any repeal or modification of provisions of our amended and restated
bylaws affecting indemnification rights, whether by our board of directors,
stockholders or by changes in applicable law, will (unless otherwise required
by law) be prospective only, except to the extent such amendment or change in
law permits us to provide broader indemnification rights on a retroactive
basis, and will not in any way diminish or adversely affect any right or
protection existing thereunder with respect to any act or omission occurring
prior to such repeal or modification.</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">5</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Indemnification Agreements</font></b></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We have entered into indemnification agreements with certain of our
directors, officers and certain of our employees and/or agents pursuant to
which we have agreed to indemnify and hold harmless such directors, officers,
employees and/or agents to the fullest extent authorized or permitted by the
DGCL.&#160; In addition, subject to certain
exclusions set forth below, we have agreed to indemnify and hold harmless such
directors, officers, employees and/or agents against any and all expenses
(including attorneys&#146; fees), witness fees, judgments, fines and amounts paid in
settlement actually and reasonably incurred by such indemnitee in connection
with any threatened, pending or completed action, suit or proceeding, whether
civil, criminal, administrative or investigative (including an action by or in
the right of the Company) to which such indemnitee is, was or at any time
becomes a party, or is threatened to be made a party, by reason of the fact
that such indemnitee is, was or at any time becomes a director, officer,
employee or agent of the Company, or is or was serving or at any time serves at
the request of the Company as a director, officer, employee or agent of another
corporation, partnership, joint venture, trust, employee benefit plan or other
enterprise; and otherwise to the fullest extent as may be provided under the
non-exclusivity provisions of our Amended and Restated Bylaws and the DGCL.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Under these indemnification agreements, we are obligated under certain
circumstances to advance expenses to certain of our directors, officers,
employees and/or agents, subject to such directors, officers, employees and/or
agents being required to repay such advances, if it is ultimately determined by
a final and non-appealable judicial decision that such indemnitee was not
entitled to such expenses under the DGCL, our amended and restated bylaws, the
indemnification agreement or otherwise.&#160;
All agreements to indemnify and hold harmless any such director,
officer, employee or agent under such an indemnification agreement continues
during the period in which such indemnitee is a director, officer, employee or
agent of the Company (or is or was serving at the Company&#146;s request as a
director, officer, employee or agent of another corporation, partnership, joint
venture, trust, employee benefit plan or other enterprise) and shall continue
so long as such indemnitee shall be subject to any possible claim or
threatened, pending or completed action, suit or proceeding, whether civil,
criminal or investigative, by reason of the fact that such indemnitee was a
director, officer, employee and/or agent of the Company or serving in any other
capacity contemplated by the indemnification agreement.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Notwithstanding the foregoing,&nbsp;under these indemnification
agreements we are not obligated&nbsp;to indemnify any&nbsp;of such directors,
officers, employees and/or agents in connection with any claim&nbsp;made
against such indemnitee: (i)&nbsp;except to the extent that the aggregate
losses to be indemnified under such indemnification agreements exceeds the sum
of such losses for which such indemnitee&nbsp;has been indemnified under any
other indemnity provision or pursuant to any directors and officers insurance
that we purchase and maintain on their behalf; (ii) in respect to remuneration
paid to such indemnitee if it is determined by a final judgment or other final
adjudication that such remuneration was in violation of law; (iii) on account
of any suit in which judgment is rendered against such indemnitee for an
accounting of profits made from the purchase or sale by such indemnitee of our
securities pursuant to Section 16(b) of the Exchange Act, or similar provisions
of any federal, state or local law; (iv) on account of such indemnitee&#146;s
conduct which is finally adjudged to have been knowingly fraudulent or
deliberately dishonest, or which constitutes willful misconduct; (v) on account
of such indemnitee&#146;s conduct which is the subject of action, suit or proceeding
brought by the Company and approved by a majority of our board of directors
which alleges willful misappropriation of corporate assets by such indemnitee,
disclosure of confidential information in violation of such indemnitee&#146;s
fiduciary or contractual obligations or any other willful and deliberate breach
in bad faith on such indemnitee&#146;s duty to the Company or its shareholders; (vi)
on account of any action, claim or proceeding (other than a successful
proceeding by such indemnitee to enforce rights or collect moneys due under his
or her indemnification agreement) initiated by such indemnitee unless such
action, claim or proceeding was specifically authorized by our</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">6</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">board of directors; and (vii) if a final
decision by a court having jurisdiction in the matter shall determine that such
indemnification is not lawful.</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Liability Insurance</font></b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We
provide liability insurance for our current directors and officers.</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 7.&#160;&#160; Exemption From Registration Claimed</font></b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not
applicable.</font></p>

<p align="left" style="font-size:10.0pt;margin:0pt 0pt 12.0pt;page-break-after:avoid;text-align:left;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 8.&#160;&#160; Exhibits</font></b> </p>

<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse;font-family:Times New Roman;margin-left:20.0pt;">
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="left" style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:left;"><!-- SET mrlHTMLTableLeft --><!-- SET mrlNoTableShading -->Exhibit</p>
  </td>
  <td width="13" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="588" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Description</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.1</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Specimen Common Stock Certificate (1)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.2</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Rights Agreement dated June 4, 2003, between
  Registrant and U.S. Stock Transfer Corporation as Rights Agent, which
  includes the Certificate of Designation, Preferences and Rights of Series A
  Junior Participating Preferred Stock of On Assignment, Inc. as Exhibit A, the
  Summary of Rights to Purchase Series A Junior Participating Preferred Stock
  as Exhibit B and the Form of Rights Certificate as Exhibit C (2)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.1*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Opinion of Latham &amp; Watkins LLP</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.1*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On Assignment, Inc. Restated 1987 Stock Option Plan,
  as amended and restated April 7, 2006</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.2</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">First Amendment to the On Assignment, Inc. Restated
  1987 Stock Option Plan, dated January 23, 2007 (3)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.3*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Second Amendment to the On Assignment, Inc. Restated
  1987 Stock Option Plan, dated April 17, 2007</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.4*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On Assignment, Inc. Employee Stock Purchase Plan, as
  amended and restated June 18, 2002</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.5*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">First Amendment to the On Assignment, Inc. Employee
  Stock Purchase Plan, dated January 23, 2007</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.1*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Deloitte &amp; Touche LLP, Independent
  Registered Public Accounting Firm</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.2*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Deloitte &amp; Touche LLP, Independent
  Auditor</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.3*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of KPMG LLP, Independent Auditor</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.4*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Latham &amp; Watkins LLP (included in
  Exhibit 5.1)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="46" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.6pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">24.1*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="588" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.1pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Power of Attorney (set forth on the signature page
  of this Registration Statement)</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<div style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><hr size="1" width="160" noshade color="black" align="left" style="width:120.0pt;"></div>

<p align="left" style="margin:0pt 0pt 12.0pt 10.0pt;text-align:left;text-indent:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">* Filed herewith.</font></p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt .0001pt 28.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)</font><font size="1" style="font-size:8.5pt;">&#160;&#160; </font>Incorporated by reference from an exhibit
filed with Registrant&#146;s Registration Statement on Form S-1 (File No. 333-50646)
declared effective by the Securities and Exchange Commission on September 21,
1992.</p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">7</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 28.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)</font><font size="1" style="font-size:8.5pt;">&#160;&#160; </font>Incorporated by reference from an exhibit filed with Registrant&#146;s
Current Report on Form 8-K filed with the Securities and Exchange Commission on
June 5, 2003.</p>

<p align="left" style="margin:0pt 0pt 12.0pt 28.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(3)&#160;&#160; Incorporated by reference
from an exhibit filed with Registrant&#146;s Annual Report on Form 10-K for the year
ended December 31, 2006, filed with the Securities and Exchange Commission on
March 16, 2007.</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 9.&#160;&#160;&#160; Undertakings</font></b></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The undersigned Registrant hereby undertakes:</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)&#160;&#160; To file, during any period
in which offers or sales are being made, a post-effective amendment to this
Registration Statement. Notwithstanding the foregoing, any increase or decrease
in volume of securities offered (if the total dollar value of securities
offered would not exceed that which was registered) and any deviation from the
low or high end of the estimated maximum offering range may be reflected in the
form of prospectus filed with the Commission pursuant to
Rule&nbsp;424(b)&nbsp;if, in the aggregate, the changes in volume and price
represent no more than a 20 percent change in the maximum aggregate offering
price set forth in the &#147;Calculation of Registration Fee&#148; table in the effective
Registration Statement:</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)&#160;&#160;&#160; To include any prospectus
required by Section 10(a)(3) of the Securities Act;</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ii)&#160;&#160; To reflect in the
prospectus any facts or events arising after the effective date of the
Registration Statement (or the most recent post-effective amendment thereof)
which, individually or in the aggregate, represent a fundamental change in the
information set forth in the Registration Statement; and</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(iii)&#160; To include any material
information with respect to the plan of distribution not previously disclosed
in this Registration Statement or any material change to such information in
this Registration Statement;</font></p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt;text-align:left;text-indent:0pt;"><u><font size="2" face="Times New Roman" style="font-size:10.0pt;">provided</font></u>, <u>however</u>, that paragraphs (1)(i) and
(l)(ii) do not apply if the information required to be included in a
post-effective amendment by those paragraphs is contained in reports filed with
or furnished to the Commission by the Registrant pursuant to Section 13 or
Section 15(d) of the Exchange Act that are incorporated by reference in the
Registration Statement.</p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)&#160;&#160; That, for the purpose of
determining any liability under the Securities Act, each such post-effective
amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time
shall be deemed to be the initial bona fide offering thereof.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(3)&#160;&#160; To remove from registration
by means of a post-effective amendment any of the securities being registered
which remain unsold at the termination of the offering.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act, each filing of the
Registrant&#146;s annual report pursuant to Section 13(a) or Section 15(d) of the
Exchange Act (and, where applicable, each filing of an employee benefit plan&#146;s
annual report pursuant to Section 15(d) of the Exchange Act) that is
incorporated by reference in the Registration Statement shall be deemed to be a
new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial bona
fide offering thereof.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to directors, officers and controlling persons of the
Registrant pursuant to the foregoing provisions, or otherwise, the Registrant
has been advised that in the opinion of the Commission such indemnification is
against public policy as expressed in the Securities Act and is, therefore,
unenforceable.&#160; In the event that a claim
for</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">8</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">indemnification against such liabilities
(other than the payment by the Registrant of expenses incurred or paid by a
director, officer or controlling person of the Registrant in the successful
defense of any action, suit or proceeding) is asserted by such director, officer
or controlling person in connection with the securities being registered, the
Registrant will, unless in the opinion of its counsel the matter has been
settled by controlling precedent, submit to a court of appropriate jurisdiction
the question whether such indemnification by it is against public policy as
expressed in the Securities Act and will be governed by the final adjudication
of such issue.</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">9</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the requirements of the Securities Act of 1933, the
Registrant certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing on Form S-8 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Los Angeles, State of California, on this 20th
day of June 2007.</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;font-family:Times New Roman;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="53%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:53.32%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="46%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:46.68%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --><b>ON ASSIGNMENT, INC.</b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="53%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:53.32%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="46%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:46.68%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="53%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:53.32%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="46%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:46.68%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="53%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:53.32%;"><a name="cells"></a>
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.8%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="18%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:18.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Peter T. Dameris</font></p>
  </td>
  <td width="24%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:24.76%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="53%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:53.32%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.8%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="42%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:42.9%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Peter T. Dameris</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="53%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:53.32%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.8%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="42%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:42.9%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Executive
  Officer and President</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">POWER OF ATTORNEY</font></b></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The undersigned directors and officers of On Assignment, Inc. hereby
constitute and appoint Peter T. Dameris and James L. Brill each with full power
to act with full power of substitution and resubstitution, as our true and
lawful attorneys-in-fact and agents with full power to execute in our name and
behalf in the capacities indicated below any and all amendments (including
post-effective amendments and amendments thereto) to this Registration
Statement and to file the same, with all exhibits and other documents relating
thereto and any registration statement relating to any offering made pursuant
to this Registration Statement and hereby ratify and confirm all that such
attorney-in-fact or his or her substitute shall lawfully do or case to be done
by virtue hereof.</font></p>

<p align="left" style="margin:0pt 0pt 12.0pt;text-align:left;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the requirements of the Securities Act of 1933, as amended,
this Registration Statement has been signed below by the following persons in
the capacities indicated on June 20, 2007.</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;font-family:Times New Roman;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading -->Signature</p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="66%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Title</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Peter T.
  Dameris</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Executive Officer (Principal Executive</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Peter T. Dameris</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Officer), President and Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ James L.
  Brill</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Senior Vice President and Chief Financial Officer</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">James L. Brill</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Principal Financial and Accounting Officer)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Jeremy M.
  Jones</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director, Chairman of the Board</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Jeremy M. Jones</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">William E. Brock</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Jonathan S.
  Holman</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Jonathan S.
  Holman</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Teresa A.
  Hopp</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="30%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:30.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Teresa A. Hopp</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.84%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

<p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">10</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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<br clear="all" style="page-break-before:always;">



<p align="center" style="margin:0pt 0pt 12.0pt;page-break-after:avoid;text-align:center;text-indent:0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">EXHIBIT INDEX</font></b></p>

<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse;font-family:Times New Roman;margin-left:20.0pt;">
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="left" style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:left;"><!-- SET mrlHTMLTableLeft --><!-- SET mrlNoTableShading -->Exhibit</p>
  </td>
  <td width="13" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="589" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Description</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.1</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Specimen Common Stock Certificate (1)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.2</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Rights Agreement dated June 4, 2003, between
  Registrant and U.S. Stock Transfer Corporation as Rights Agent, which
  includes the Certificate of Designation, Preferences and Rights of Series A
  Junior Participating Preferred Stock of On Assignment, Inc. as Exhibit A, the
  Summary of Rights to Purchase Series A Junior Participating Preferred Stock
  as Exhibit B and the Form of Rights Certificate as Exhibit C (2)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.1*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Opinion of Latham &amp; Watkins LLP</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.1*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On Assignment, Inc. Restated 1987 Stock Option Plan,
  as amended and restated April 7, 2006</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.2</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">First Amendment to the On Assignment, Inc. Restated
  1987 Stock Option Plan, dated January 23, 2007 (3)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.3*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Second Amendment to the On Assignment, Inc. Restated
  1987 Stock Option Plan, dated April 17, 2007</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.4*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On Assignment, Inc. Employee Stock Purchase Plan, as
  amended and restated June 18, 2002</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.5*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">First Amendment to the On Assignment, Inc. Employee
  Stock Purchase Plan, dated January 23, 2007</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.1*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Deloitte &amp; Touche LLP, Independent
  Registered Public Accounting Firm</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.2*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Deloitte &amp; Touche LLP, Independent
  Auditor</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.3*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of KPMG LLP, Independent Auditor</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.4*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Latham &amp; Watkins LLP (included in
  Exhibit 5.1)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45" valign="top" style="padding:0pt .7pt 0pt 0pt;width:34.0pt;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">24.1*</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:9.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="589" valign="top" style="padding:0pt .7pt 0pt 0pt;width:441.7pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Power of Attorney (set forth on the signature page
  of this Registration Statement)</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<div style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><hr size="1" width="160" noshade color="black" align="left" style="width:120.0pt;"></div>

<p align="left" style="margin:0pt 0pt 12.0pt 28.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">* Filed herewith.</font></p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 28.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)</font><font size="1" style="font-size:8.5pt;">&#160;&#160; </font>Incorporated by reference from an exhibit filed with Registrant&#146;s
Registration Statement on Form S-1 (File No. 333-50646) declared effective by
the Securities and Exchange Commission on September 21, 1992.</p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 28.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)</font><font size="1" style="font-size:8.5pt;">&#160;&#160; </font>Incorporated by reference from an exhibit filed with Registrant&#146;s
Current Report on Form 8-K filed with the Securities and Exchange Commission on
June 5, 2003.</p>

<p align="left" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 28.0pt;text-align:left;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(3)</font><font size="1" style="font-size:8.5pt;">&#160;&#160; </font>Incorporated by reference from an exhibit filed with Registrant&#146;s
Annual Report on Form 10-K for the year ended December 31, 2006, filed with the
Securities and Exchange Commission on March 16, 2007.</p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">11</font></p>
</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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{"company-data": {"conformed-name": "ON ASSIGNMENT INC", "cik": "0000890564", "assigned-sic": "7363", "irs-number": "954023433", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-143907", "film-number": "07931168"}, "business-address": {"street1": "26651 WEST AGOURA ROAD", "city": "CALABASAS", "state": "CA", "zip": "91302", "phone": "8188787900"}}
As filed with the Securities and Exchange Commission on June 20, 2007
Registration No. 333-
UNITED STATES
SECURITIES AND
EXCHANGE COMMISSION
Washington, DC 20549
FORM S-8
REGISTRATION
STATEMENT UNDER
THE SECURITIES ACT OF 1933
On Assignment,
Inc.
(Exact Name of Registrant as Specified in Its
Charter)
Delaware
95-4023433
(State or Other
  Jurisdiction of Incorporation or Organization)
(I.R.S. Employer
  Identification Number)
26651 West Agoura Road
Calabasas, California  91302
(818) 878-7900
(Address, Including Zip Code, and Telephone Number, Including Area Code,
of Registrant's Principal Executive Offices)
ON ASSIGNMENT, INC.
RESTATED 1987 STOCK OPTION PLAN
ON ASSIGNMENT, INC.
EMPLOYEE STOCK PURCHASE PLAN
(
Full Title of the Plan(s))
On Assignment, Inc.
James Brill
Senior Vice President and Chief
Financial Officer
26651 West Agoura Road
Calabasas, California  91302
(818) 878-7900
(Name, Address, Including Zip Code, and Telephone Number, Including
Area Code, of Agent for Service)
Copy to:
Steven B. Stokdyk, Esq.
Latham & Watkins LLP
633 West Fifth Street, Suite 4000
Los Angeles, California  90071
(213)
485-1234
CALCULATION OF REGISTRATION FEE
Title of Securities
To Be Registered(1)
Amount
To Be
Registered(2)(3)
Proposed Maximum
Offering Price
Per Share(4)
Proposed Maximum
Aggregate Offering
Price
Amount Of
Registration Fee
Common Stock, $0.01 par value per share to be issued
  under the Restated 1987 Stock Option Plan
2,900,000
$
10.12
$
29,348,000
$
901
Common Stock, $0.01 par value per share to be issued
  under the Employee Stock Purchase Plan
400,000
$
10.12
$
4,048,000
$
125
(1)
The
On Assignment, Inc. Restated 1987 Stock Option Plan, as amended and restated on
April 7, 2006 and further amended on January 23, 2007 and April 17, 2007 (the "Stock
Option Plan"), authorizes the issuance of a maximum of 13,900,000 shares of
common stock.  The On Assignment, Inc.
Employee Stock Purchase Plan as amended and restated on June 18, 2002 and
further amended on January 23, 2007 (the "ESPP"), authorizes the issuance of a
maximum of 1,200,000 shares of common stock.
(2)
In
the event of a stock split, stock dividend or other transaction involving On
Assignment, Inc.'s common stock, the number of shares registered hereby shall
automatically be increased to cover additional shares in accordance with Rule
416(a) under the Securities Act of 1933, as amended (the "Securities Act").
(3)
Each
share of common stock includes one right to purchase Series A Junior
Participating Preferred Stock pursuant to a Rights Agreement, dated as of June
4, 2003, between On Assignment, Inc. and U.S. Stock Transfer Corporation, for
which no separate fee is payable pursuant to Rule 457.
(4)
Estimated
solely for the purpose of computing the registration fee required by
Section 6(b) of the Securities Act and, pursuant to Rules 457(c) and
(h) under the Securities Act, based upon the average of the high and low prices
of our common stock on June 14, 2007, which date is within five business days
prior to the initial filing of this registration statement, as reported on the
NASDAQ National Market.
INTRODUCTION
This Registration Statement on Form S-8 is filed by On Assignment, Inc.
(referred to herein as "our," "we," "us," "the Company" and "the Registrant")
relating to 2,900,000 shares of our common stock, par value $0.01 per share ("Common
Stock"), issuable to our eligible employees, directors and consultants under
our Restated 1987 Stock Option Plan, as amended and restated on April 7, 2006
and further amended on January 23, 2007 and April 17, 2007 (the "Stock Option
Plan"), and 400,000 shares of Common Stock issuable to our eligible employees
under our Employee Stock Purchase Plan as amended and restated on June 18, 2002
and further amended on January 23, 2007 (the "ESPP" and collectively with the
Stock Option Plan, the "Plans").  The
Company has previously registered shares of Common Stock issuable under the
Stock Option Plan by Registration Statements on Form S-8 filed with the
Commission on June 17, 2003, May 31, 2001, October 28, 1997 and January 19,
1993, Registration Nos. 333-106203, 333-61998, 333-38849 and 033-57078,
respectively.  The Company has previously
registered shares of Common Stock issuable under the ESPP by a Registration
Statement on Form S-8 filed with the Commission on January 19, 1993, Registration
No. 033-57078.  In accordance with
Instruction E to Form S-8, the contents of these previously filed Registration
Statements are incorporated by reference herein to the extent not modified or
superseded hereby or thereby or by a subsequently filed document that is
incorporated by reference herein or therein.
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
The documents containing the information specified in Part I of Form
S-8 will be delivered to participants in the Plans as specified by Rule
428(b)(1) of the Securities Act.  In
accordance with Rule 428 of the Securities Act and the requirements of Part I
of Form S-8, such documents are not being filed with the Securities and
Exchange Commission (the "Commission") either as part of this registration
statement or as prospectuses or prospectus supplements pursuant to Rule 424 of
the Securities Act.  The Registrant shall
maintain a file of such documents in accordance with the provisions of Rule
428(a)(2) of the Securities Act.  Upon
request, the Registrant shall furnish to the Commission or its staff a copy of
any or all of the documents included in the file.
PART II
INFORMATION REQUIRED IN THE
REGISTRATION STATEMENT
Item 3.
Incorporation of Documents by
Reference
The following documents, which were filed by the Registrant with the
Commission pursuant to Sections 13(a) or 15(d) of the Securities Exchange Act
of 1934, as amended (the "Exchange Act"), are incorporated herein by reference:
(a)
On Assignment's Annual Report on Form 10-K
for the year ended December 31, 2006, filed with the Commission on March 16,
2007, containing audited financial statements for each of the years in the
three-year period ended December 31, 2006;
(b)
On Assignment's Quarterly Report on Form 10-Q
for the period ended March 31, 2007, filed with the Commission on May 10, 2007;
(c)
On Assignment's Current Reports on Form 8-K
filed with the Commission on January 5, 2007, January 9, 2007, January 30,
2007, February 6, 2007 and April 4, 2007 and Form 8-K/A filed with the
Commission on March 21, 2007 and April 18, 2007; and
2
(d)
The description of capital stock contained in
On Assignment's Registration Statement on Form S-3 (File No. 333-88034) filed
with the Commission on May 25, 2006, including any amendment or report filed
for the purpose of updating such description.
In addition, all documents filed with the Commission by the Registrant
pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act subsequent
to the date of this Registration Statement and prior to the filing of a
post-effective amendment to this Registration Statement which indicates that
all securities offered hereby have been sold or which deregisters all
securities then remaining unsold, shall be deemed to be incorporated by
reference in this Registration Statement and to be a part hereof from the date
of filing of such documents.
Any statement contained herein or in a document incorporated or deemed
to be incorporated herein by reference shall be deemed to be modified or
superseded for purposes of this Registration Statement to the extent that a
statement contained herein or in any subsequently filed document which also is,
or is deemed to be, incorporated by reference herein modifies or supersedes
such statement.  Any statement so
modified or superseded shall not be deemed, except as so modified or
superseded, to constitute a part of this Registration Statement.
Unless expressly indicated, a Current Report furnished to the
Commission on Form 8-K pursuant to Item 2.02 or Item 9.01 shall not be
incorporated by reference into this Registration Statement.
Item 4.
Description of Securities
Not
applicable.
Item 5.
Interests of Named Experts and Counsel
Not applicable.
Item 6.
Indemnification of Directors and
Officers
Delaware Law
Section 145 of the Delaware General Corporation Law (the "DGCL"),
permits a corporation, under specified circumstances, to indemnify its
directors, officers, employees or agents against expenses (including attorneys'
fees), judgments, fines and amounts paid in settlements actually and reasonably
incurred by them in connection with any action, suit or proceeding brought by
third parties by reason of the fact that they were or are directors, officers,
employees or agents of the corporation, if such directors, officers, employees
or agents acted in good faith and in a manner they reasonably believed to be in
or not opposed to the best interests of the corporation and, with respect to
any criminal action or proceeding, had no reason to believe their conduct was
unlawful.  In a derivative action, i.e.,
one by or in the right of the corporation, indemnification may be made only for
expenses actually and reasonably incurred by directors, officers, employees or
agents in connection with the defense or settlement of an action or suit, and
only with respect to a matter as to which they shall have acted in good faith
and in a manner they reasonably believed to be in or not opposed to the best
interests of the corporation, except that no indemnification shall be made if
such person shall have been adjudged liable to the corporation, unless and only
to the extent that the court in which the action or suit was brought shall
determine upon application that the defendant directors, officers, employees or
agents are fairly and reasonably entitled to indemnity for such expenses
despite such adjudication of liability.
Our restated certificate of incorporation, as amended, provides that no
director shall be personally liable to us or any of our stockholders for
monetary damages resulting from breaches of their fiduciary duty as directors,
except to the extent such limitation on or exemption from liability is not
permitted
3
under the DGCL.  The effect of this provision of our
certificate of incorporation is to eliminate our rights and those of our
stockholders (through stockholders' derivative suits on our behalf) to recover
monetary damages against a director for breach of the fiduciary duty of care as
a director, including breaches resulting from negligent or grossly negligent
behavior, except, as restricted by the DGCL:
·
for any breach of the director's duty of
loyalty to the Company or its stockholders;
·
for acts or omissions not in good faith or
that involve intentional misconduct or a knowing violation of law;
·
in respect of certain unlawful dividend
payments or unlawful stock purchases or redemptions; and
·
for any transaction from which the director
derives an improper personal benefit.
This provision does not limit or eliminate our rights or the rights of
any stockholder to seek non-monetary relief, such as an injunction or
rescission, in the event of a breach of a director's duty of care.
If the DGCL is amended to authorize corporate action further reducing
or limiting the liability of directors, then, in accordance with our
certificate of incorporation, the liability of our directors to us or our
stockholders will be reduced or limited to the fullest extent authorized by the
DGCL, as so amended.  Any repeal or
amendment of provisions of our restated certificate of incorporation, as
amended, reducing or limiting the liability of directors, whether by our
stockholders or by changes in law, will (unless otherwise required by law) be
prospective only, except to the extent such amendment or change in law permits
us to further reduce or limit the liability of directors on a retroactive
basis.
Restated Certificate of
Incorporation and Amended and Restated Bylaws
Our restated certificate of incorporation, as amended, provides that we
are authorized, to the fullest extent permitted by applicable law, to indemnify
our current and former directors or officers (and any other person to which the
DGCL permits us to provide indemnification) through provisions in our bylaws,
agreements with such directors, officers or other persons, the vote of
stockholders or disinterested directors or otherwise, in each case, in excess
of the indemnification and advancement rights otherwise permitted by Section
145 of the DGCL, subject only to limits created by applicable Delaware law
(including the DGCL and case law), with respect to actions for breach of duty
to the Company, its stockholders and others.
Any repeal or modification of provisions of our certificate of
incorporation affecting indemnification rights, whether by our stockholders or
by changes in law, will (unless otherwise required by law) be prospective only,
except to the extent such amendment or change in law permits us to provide
broader indemnification rights on a retroactive basis, and will not in any way
diminish or adversely affect any right or protection existing at the time of
such repeal or modification with respect to any act or omission occurring prior
to such repeal or modification.
The rights to indemnification and advancement of expenses shall not be
deemed exclusive of any other rights which any person covered by our
certificate of incorporation may have or hereafter acquire under law, our
certificate of incorporation, our bylaws, an agreement, vote of stockholders or
disinterested directors, or otherwise.
Our amended and restated bylaws provide that we will, to the fullest
extent authorized by applicable law, as such laws may be amended and
supplemented from time to time, indemnify our current and former agents made,
or threatened to be made, a party to an action or proceeding, whether criminal,
civil, administrative or investigative, by reason of being an agent of the
Company or a predecessor
4
company or, at the Company's request, a
director or officer of corporation; provided, however, that the Company shall
indemnify any such agent in connection with a proceeding initiated by such
agent only if such proceeding was authorized by the board of directors of the
Company.  This right of indemnification
shall (i) not be deemed exclusive of any other rights to which such indemnified
parties may be entitled under any bylaw, agreement or vote of stockholders or
disinterested directors or otherwise, both as to action in their official
capacities and as to action in another capacity while holding such office, (ii)
continue as to a person who has ceased to be an agent, and (iii) inure to the
benefit of the heirs, executors and administrators of such a person.  Our obligation to provide indemnification
under our bylaws shall be offset to the extent of any other source of
indemnification or any otherwise applicable insurance coverage under a policy
maintained by the Company or any other person.
Our amended and restated bylaws provide that expenses incurred by an
agent of the Company in defending a civil or criminal action, suit or
proceeding by reason of the fact that he is or was an agent of the Company (or
was serving at the Company's request as a director or officer of another
corporation) shall be paid by the Company in advance of the final disposition
of such action, suit or proceeding upon receipt of an undertaking by or on
behalf of such agent to repay such amount if it shall ultimately be determined
that he or she is not entitled to be indemnified by the Company as authorized
by relevant sections of the DGCL. 
Notwithstanding the foregoing, the Company is not required to advance
such expenses to an agent who is a party to an action, suit or proceeding
brought by the Company and approved by a majority of the members of the board
of directors of the Company which alleges willful misappropriation of corporate
assets by such agent, disclosure of confidential information in violation of
such agent's fiduciary or contractual obligations to the Company or any other
willful and deliberate breach in bad faith of such agent's duty to the Company
or its stockholders.
The foregoing right to indemnification conferred by our amended and
restated bylaws is a contract right between the Company and each agent who
serves in such capacity at any time while the bylaws are in effect, and any
repeal or modification thereof shall not affect any rights or obligations then
existing with respect to any state of facts then or theretofore existing or any
action, suit or proceeding theretofore or thereafter brought based in whole or
in part upon any such state of facts.
The board of directors, in its discretion, has the power on behalf of the
Company to indemnify any person, other than a director, made a party to any
action, suit or proceeding by reason of the fact that he or she, his or her
testator or intestate, is or was an officer or employee of the Company.
To assure the indemnification under our amended and restated bylaws of
all directors, officers and employees who are determined by the Company or
otherwise to be or to have been "fiduciaries" of any employee benefit plan of
the corporation which may exist from time to time, Section 145 of the DGCL
shall, for the purposes of our amended and restated bylaws, be interpreted as
follows: (i) an "other enterprise" shall be deemed to include such an employee
benefit plan, including, without limitation, any plan of the Company which is
governed by the Act of Congress entitled "Employee Retirement Income Security
Act of 1974," as amended from time to time; (ii) the Company shall be deemed to
have requested a person to serve an employee benefit plan where the performance
by such person of his duties to the Company also imposes duties on, or
otherwise involves services by, such person to the plan or participants or
beneficiaries of the plan; excise taxes assessed on a person with respect to an
employee benefit plan pursuant to such Act of Congress shall be deemed "fines."
Any repeal or modification of provisions of our amended and restated
bylaws affecting indemnification rights, whether by our board of directors,
stockholders or by changes in applicable law, will (unless otherwise required
by law) be prospective only, except to the extent such amendment or change in
law permits us to provide broader indemnification rights on a retroactive
basis, and will not in any way diminish or adversely affect any right or
protection existing thereunder with respect to any act or omission occurring
prior to such repeal or modification.
5
Indemnification Agreements
We have entered into indemnification agreements with certain of our
directors, officers and certain of our employees and/or agents pursuant to
which we have agreed to indemnify and hold harmless such directors, officers,
employees and/or agents to the fullest extent authorized or permitted by the
DGCL.  In addition, subject to certain
exclusions set forth below, we have agreed to indemnify and hold harmless such
directors, officers, employees and/or agents against any and all expenses
(including attorneys' fees), witness fees, judgments, fines and amounts paid in
settlement actually and reasonably incurred by such indemnitee in connection
with any threatened, pending or completed action, suit or proceeding, whether
civil, criminal, administrative or investigative (including an action by or in
the right of the Company) to which such indemnitee is, was or at any time
becomes a party, or is threatened to be made a party, by reason of the fact
that such indemnitee is, was or at any time becomes a director, officer,
employee or agent of the Company, or is or was serving or at any time serves at
the request of the Company as a director, officer, employee or agent of another
corporation, partnership, joint venture, trust, employee benefit plan or other
enterprise; and otherwise to the fullest extent as may be provided under the
non-exclusivity provisions of our Amended and Restated Bylaws and the DGCL.
Under these indemnification agreements, we are obligated under certain
circumstances to advance expenses to certain of our directors, officers,
employees and/or agents, subject to such directors, officers, employees and/or
agents being required to repay such advances, if it is ultimately determined by
a final and non-appealable judicial decision that such indemnitee was not
entitled to such expenses under the DGCL, our amended and restated bylaws, the
indemnification agreement or otherwise. 
All agreements to indemnify and hold harmless any such director,
officer, employee or agent under such an indemnification agreement continues
during the period in which such indemnitee is a director, officer, employee or
agent of the Company (or is or was serving at the Company's request as a
director, officer, employee or agent of another corporation, partnership, joint
venture, trust, employee benefit plan or other enterprise) and shall continue
so long as such indemnitee shall be subject to any possible claim or
threatened, pending or completed action, suit or proceeding, whether civil,
criminal or investigative, by reason of the fact that such indemnitee was a
director, officer, employee and/or agent of the Company or serving in any other
capacity contemplated by the indemnification agreement.
Notwithstanding the foregoing, under these indemnification
agreements we are not obligated to indemnify any of such directors,
officers, employees and/or agents in connection with any claim made
against such indemnitee: (i) except to the extent that the aggregate
losses to be indemnified under such indemnification agreements exceeds the sum
of such losses for which such indemnitee has been indemnified under any
other indemnity provision or pursuant to any directors and officers insurance
that we purchase and maintain on their behalf; (ii) in respect to remuneration
paid to such indemnitee if it is determined by a final judgment or other final
adjudication that such remuneration was in violation of law; (iii) on account
of any suit in which judgment is rendered against such indemnitee for an
accounting of profits made from the purchase or sale by such indemnitee of our
securities pursuant to Section 16(b) of the Exchange Act, or similar provisions
of any federal, state or local law; (iv) on account of such indemnitee's
conduct which is finally adjudged to have been knowingly fraudulent or
deliberately dishonest, or which constitutes willful misconduct; (v) on account
of such indemnitee's conduct which is the subject of action, suit or proceeding
brought by the Company and approved by a majority of our board of directors
which alleges willful misappropriation of corporate assets by such indemnitee,
disclosure of confidential information in violation of such indemnitee's
fiduciary or contractual obligations or any other willful and deliberate breach
in bad faith on such indemnitee's duty to the Company or its shareholders; (vi)
on account of any action, claim or proceeding (other than a successful
proceeding by such indemnitee to enforce rights or collect moneys due under his
or her indemnification agreement) initiated by such indemnitee unless such
action, claim or proceeding was specifically authorized by our
6
board of directors; and (vii) if a final
decision by a court having jurisdiction in the matter shall determine that such
indemnification is not lawful.
Liability Insurance
We
provide liability insurance for our current directors and officers.
Item 7.   Exemption From Registration Claimed
Not
applicable.
Item 8.   Exhibits
Exhibit
Description
4.1
Specimen Common Stock Certificate (1)
4.2
Rights Agreement dated June 4, 2003, between
  Registrant and U.S. Stock Transfer Corporation as Rights Agent, which
  includes the Certificate of Designation, Preferences and Rights of Series A
  Junior Participating Preferred Stock of On Assignment, Inc. as Exhibit A, the
  Summary of Rights to Purchase Series A Junior Participating Preferred Stock
  as Exhibit B and the Form of Rights Certificate as Exhibit C (2)
5.1*
Opinion of Latham & Watkins LLP
10.1*
On Assignment, Inc. Restated 1987 Stock Option Plan,
  as amended and restated April 7, 2006
10.2
First Amendment to the On Assignment, Inc. Restated
  1987 Stock Option Plan, dated January 23, 2007 (3)
10.3*
Second Amendment to the On Assignment, Inc. Restated
  1987 Stock Option Plan, dated April 17, 2007
10.4*
On Assignment, Inc. Employee Stock Purchase Plan, as
  amended and restated June 18, 2002
10.5*
First Amendment to the On Assignment, Inc. Employee
  Stock Purchase Plan, dated January 23, 2007
23.1*
Consent of Deloitte & Touche LLP, Independent
  Registered Public Accounting Firm
23.2*
Consent of Deloitte & Touche LLP, Independent
  Auditor
23.3*
Consent of KPMG LLP, Independent Auditor
23.4*
Consent of Latham & Watkins LLP (included in
  Exhibit 5.1)
24.1*
Power of Attorney (set forth on the signature page
  of this Registration Statement)
* Filed herewith.
(1)
Incorporated by reference from an exhibit
filed with Registrant's Registration Statement on Form S-1 (File No. 333-50646)
declared effective by the Securities and Exchange Commission on September 21,
1992.
7
(2)
Incorporated by reference from an exhibit filed with Registrant's
Current Report on Form 8-K filed with the Securities and Exchange Commission on
June 5, 2003.
(3)   Incorporated by reference
from an exhibit filed with Registrant's Annual Report on Form 10-K for the year
ended December 31, 2006, filed with the Securities and Exchange Commission on
March 16, 2007.
Item 9.    Undertakings
The undersigned Registrant hereby undertakes:
(1)   To file, during any period
in which offers or sales are being made, a post-effective amendment to this
Registration Statement. Notwithstanding the foregoing, any increase or decrease
in volume of securities offered (if the total dollar value of securities
offered would not exceed that which was registered) and any deviation from the
low or high end of the estimated maximum offering range may be reflected in the
form of prospectus filed with the Commission pursuant to
Rule 424(b) if, in the aggregate, the changes in volume and price
represent no more than a 20 percent change in the maximum aggregate offering
price set forth in the "Calculation of Registration Fee" table in the effective
Registration Statement:
(i)    To include any prospectus
required by Section 10(a)(3) of the Securities Act;
(ii)   To reflect in the
prospectus any facts or events arising after the effective date of the
Registration Statement (or the most recent post-effective amendment thereof)
which, individually or in the aggregate, represent a fundamental change in the
information set forth in the Registration Statement; and
(iii)  To include any material
information with respect to the plan of distribution not previously disclosed
in this Registration Statement or any material change to such information in
this Registration Statement;
provided
,
however
, that paragraphs (1)(i) and
(l)(ii) do not apply if the information required to be included in a
post-effective amendment by those paragraphs is contained in reports filed with
or furnished to the Commission by the Registrant pursuant to Section 13 or
Section 15(d) of the Exchange Act that are incorporated by reference in the
Registration Statement.
(2)   That, for the purpose of
determining any liability under the Securities Act, each such post-effective
amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time
shall be deemed to be the initial bona fide offering thereof.
(3)   To remove from registration
by means of a post-effective amendment any of the securities being registered
which remain unsold at the termination of the offering.
The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act, each filing of the
Registrant's annual report pursuant to Section 13(a) or Section 15(d) of the
Exchange Act (and, where applicable, each filing of an employee benefit plan's
annual report pursuant to Section 15(d) of the Exchange Act) that is
incorporated by reference in the Registration Statement shall be deemed to be a
new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial bona
fide offering thereof.
Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to directors, officers and controlling persons of the
Registrant pursuant to the foregoing provisions, or otherwise, the Registrant
has been advised that in the opinion of the Commission such indemnification is
against public policy as expressed in the Securities Act and is, therefore,
unenforceable.  In the event that a claim
for
8
indemnification against such liabilities
(other than the payment by the Registrant of expenses incurred or paid by a
director, officer or controlling person of the Registrant in the successful
defense of any action, suit or proceeding) is asserted by such director, officer
or controlling person in connection with the securities being registered, the
Registrant will, unless in the opinion of its counsel the matter has been
settled by controlling precedent, submit to a court of appropriate jurisdiction
the question whether such indemnification by it is against public policy as
expressed in the Securities Act and will be governed by the final adjudication
of such issue.
9
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the
Registrant certifies that it has reasonable grounds to believe that it meets
all of the requirements for filing on Form S-8 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Los Angeles, State of California, on this 20th
day of June 2007.
ON ASSIGNMENT, INC.
By:
/s/ Peter T. Dameris
Peter T. Dameris
Chief Executive
  Officer and President
POWER OF ATTORNEY
The undersigned directors and officers of On Assignment, Inc. hereby
constitute and appoint Peter T. Dameris and James L. Brill each with full power
to act with full power of substitution and resubstitution, as our true and
lawful attorneys-in-fact and agents with full power to execute in our name and
behalf in the capacities indicated below any and all amendments (including
post-effective amendments and amendments thereto) to this Registration
Statement and to file the same, with all exhibits and other documents relating
thereto and any registration statement relating to any offering made pursuant
to this Registration Statement and hereby ratify and confirm all that such
attorney-in-fact or his or her substitute shall lawfully do or case to be done
by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, as amended,
this Registration Statement has been signed below by the following persons in
the capacities indicated on June 20, 2007.
Signature
Title
/s/ Peter T.
  Dameris
Chief Executive Officer (Principal Executive
Peter T. Dameris
Officer), President and Director
/s/ James L.
  Brill
Senior Vice President and Chief Financial Officer
James L. Brill
(Principal Financial and Accounting Officer)
/s/ Jeremy M.
  Jones
Director, Chairman of the Board
Jeremy M. Jones
Director
William E. Brock
/s/ Jonathan S.
  Holman
Director
Jonathan S.
  Holman
/s/ Teresa A.
  Hopp
Director
Teresa A. Hopp
10
EXHIBIT INDEX
Exhibit
Description
4.1
Specimen Common Stock Certificate (1)
4.2
Rights Agreement dated June 4, 2003, between
  Registrant and U.S. Stock Transfer Corporation as Rights Agent, which
  includes the Certificate of Designation, Preferences and Rights of Series A
  Junior Participating Preferred Stock of On Assignment, Inc. as Exhibit A, the
  Summary of Rights to Purchase Series A Junior Participating Preferred Stock
  as Exhibit B and the Form of Rights Certificate as Exhibit C (2)
5.1*
Opinion of Latham & Watkins LLP
10.1*
On Assignment, Inc. Restated 1987 Stock Option Plan,
  as amended and restated April 7, 2006
10.2
First Amendment to the On Assignment, Inc. Restated
  1987 Stock Option Plan, dated January 23, 2007 (3)
10.3*
Second Amendment to the On Assignment, Inc. Restated
  1987 Stock Option Plan, dated April 17, 2007
10.4*
On Assignment, Inc. Employee Stock Purchase Plan, as
  amended and restated June 18, 2002
10.5*
First Amendment to the On Assignment, Inc. Employee
  Stock Purchase Plan, dated January 23, 2007
23.1*
Consent of Deloitte & Touche LLP, Independent
  Registered Public Accounting Firm
23.2*
Consent of Deloitte & Touche LLP, Independent
  Auditor
23.3*
Consent of KPMG LLP, Independent Auditor
23.4*
Consent of Latham & Watkins LLP (included in
  Exhibit 5.1)
24.1*
Power of Attorney (set forth on the signature page
  of this Registration Statement)
* Filed herewith.
(1)
Incorporated by reference from an exhibit filed with Registrant's
Registration Statement on Form S-1 (File No. 333-50646) declared effective by
the Securities and Exchange Commission on September 21, 1992.
(2)
Incorporated by reference from an exhibit filed with Registrant's
Current Report on Form 8-K filed with the Securities and Exchange Commission on
June 5, 2003.
(3)
Incorporated by reference from an exhibit filed with Registrant's
Annual Report on Form 10-K for the year ended December 31, 2006, filed with the
Securities and Exchange Commission on March 16, 2007.
11