adalah seiyu populer asal Jepang. Sebagai pengisi suara, Tomokazu Seki adalah artis di Atomic Monkey. Dia dikenal dengan peran-perannya dari serial anime sebagai "Domon Kasshu" dalam G Gundam, sebagai "Chichiri" dalam Fushigi Yuugi, sebagai "Sousuke Sagara" dalam Full Metal Panic!, sebagai "Yzak Joule" dalam Gundam SEED, sebagai "Kyo Sohma" dalam Fruits Basket, sebagai "Ichiro Miyata" dalam Hajime no Ippo, sebagai "Shirahama Kenichi" dalam Kenichi, sebagai "Suneo Honekawa" (2005~) dalam Doraemon, dan sebagai "Ryuki Shi" dalam Saiunkoku Monogatari.

Peran-peran penting

Televisi anime 
Peran utama ditulis dalam huruf cetak tebal
 Akihabara Denno Gumi - Takashi Ryugasaki a.k.a. Shooting Star
 Angelic Layer - Masaharu Ogata
 Aoki Densetsu Shoot - Keigo Mahori
 Bobobo-bo Bo-bobo - Giga
 Black Jack - Black Jack (teenager)
 Burning Rangers - Lead Phoenix
 Buso Renkin - Moon Face, Hiwatari Sekima
 Captain Tsubasa J - Ken Wakashimazu
 Captain Tsubasa Road to 2002 - Tsubasa Ozora (adult)
 Cardcaptor Sakura - Toya Kinomoto
 Ceres, The Celestial Legend - Alexander O. Howell
 Chobits - Hiromu Shinbo
 Coyote Ragtime Show - Katana
 Devil May Cry: The Animated Series - Vincent (episode 2)
 Digimon Savers - Neon (episode 8)
 Doraemon - Suneo
 Fate/stay night - Gilgamesh
 Flame of Recca - Tsukishiro
 Fruits Basket - Kyo Sohma
 Full Metal Panic! - Sousuke Sagara
 Fushigi Yuugi - Chichiri, Koji
 Futakoi Alternative - Rentaro Futaba
 Futari wa Pretty Cure - Mepple
 Gad Guard - Seikai
 Gankutsuou: The Count of Monte Cristo - Marquis Andrea Cavalcanti
 Gate Keepers - Reiji Kageyama
 Genshiken - Soichiro Tanaka
 Get Backers - Miroku Natsuhiko
 Giant Robo - Genya/Emanuell, Koshin
 Groove Adventure Rave - Haru Glory
 G Gundam - Domon Kasshu
 Gravitation - Shuichi Shindou
 Great Teacher Onizuka - Kunio Murai
 Gundam SEED - Yzak Joule
 Gundam SEED Destiny - Yzak Joule
 Gungrave - Brandon "Beyond the Grave" Heat
 Hajime no Ippo - Ichiro Miyata
 History's Strongest Disciple Kenichi - Kenichi Shirahama
 Hitsuji no Uta - Takashiro Kazuna
 Infinite Ryvius - Ikumi Oze
 Initial D - Keisuke Takahashi
 Kanon - Jun Kitagawa
 Kenran Butoh Sai - The Mars Daybreak - Gram River
 Kikaider the Animation - Jiro/Kikaider
 Kimi ga Aruji de Shitsuji ga Ore de - Ren Uesugi
 Konjiki no Gash Bell!! - Aleshie
 Last Exile - Ethan
 Lucky Star - Meito Anisawa
 Manmaru the Ninja Penguin - Tsunejiro
 Martian Successor Nadesico - Tsukuro Shiratori, Gai Daigoji
 Maze:The Mega-burst Space - Akira Ikagura/Maze (male)
 MÄR - Magical Roe
 Meine Liebe - Eduard
 Monkey Typhoon - Sanzo
 Mononoke - Genyousai Yanagi
 Mobile Suit Victory Gundam - Tomache Massarik, Chris Royd
 My-HiME - Yuuichi Tate
 NANA - Nobuo Terashima
 Naruto - Sagi
 Nanbaka - Sugoroku Hajime
 Neon Genesis Evangelion - Toji Suzuhara
 New Mobile Report Gundam Wing - Meiser
 Nodame Cantabile - Shinichi Chiaki
 One Piece - Rob Lucci, Hattori
 Oruchuban Ebichu - Kaishounachi
 Rave Master - Haru Glory
 Rosario + Vampire - Ginei Morioka
 Persona -trinity soul- - Tōru Inui
 Pokémon - Kenji (Tracey Sketchit)
 Saiunkoku Monogatari - Ryūki Shi
 Samurai Deeper Kyo - Shinrei
 Star Ocean EX - Ashton Anchors
 Telepathy Shoujo Ran - Isozaki Rin
 The Vision of Escaflowne - Van Fanel
 The Tower of Druaga - Dark Gilgamesh
 Tenjho Tenge - Masataka Takayanagi
 Tokyo Underground - Rumina Asagi
 Vandread - Bart Garsus
 Viewtiful Joe - Joe
 Weiß Kreuz - Ken Hidaka
 Yakitate! Japan - Pierrot Bolneze
 Angel Heart - Officer Shimazu
 You're Under Arrest - Shoji Tokarin
 Robotboy - Gus Turner
 Those Who Hunt Elves - Junpei

OVA 

 Akane Maniax - Joji Goda
 Amon: The Apocalypse of Devilman - Asuka Ryo, Satan
 Anime Tenchou - Anizawa Meito
 Battle Arena Toshinden - Eiji Shinjo
 Eight Clouds Rising - Kuraki Fuzuchi; Manashi
 FAKE - Dee Laytner
 Fushigi Yūgi - Chichiri, Koji
 Fushigi Yūgi Eikoden - Chichiri
 Gate Keepers 21 - Reiji Kageyama
 Genshiken - Soichiro Tanaka
 Getter Robo: Armageddon - Go
 Gravitation: Lyrics of Love - Shuichi Shindo
 Gundam Evolve - Domon Kasshu (Evolve 3)
 Harukanaru Toki no Naka de 2 ~Shiroki Ryū no Miko~ - Taira no Katsuzane
 Harukanaru Toki no Naka de ~Ajisai Yumegatari~ - Tenma Morimura
 Harukanaru Toki no Naka de ~Hachiyou Shō~ - Tenma Morimura
 High School Aurabuster - Kiba
 Hitsuji no Uta - Kazuna Takashiro
 Initial D: Battle Stage - Keisuke Takahashi
 Initial D: Battle Stage 2 - Keisuke Takahashi
 Kikaider - Kikaider/Jiro
 Kizuna - Toshi
 Kizuna: Much Ado About Nothing - Toshi
 Leave it to Kero! - Toya Kinomoto
 Maze - Maze (male)
 Mobile Suit Gundam Seed Destiny Final Plus: The Chosen Future - Yzak Joule
 Mobile Suit Gundam Seed Destiny Special Edition - Yzak Joule
 Natsuki Crisis - Keiji
 Psychic Force - Burn Grifith
 Rurouni Kenshin: Tsuiokuhen - Katsura Kogoro
 Vandread - Bart Garsus
 You're Under Arrest - Shoji Tokarin
 You're Under Arrest: No Mercy! - Shoji Tokarin

Anime layar lebar 

 2112: The Birth of Doraemon - Announcer
 Aoki Densetsu Shoot! - Keigo Mahori
 Cardcaptor Sakura: The Movie - Toya Kinomoto
 Cardcaptor Sakura Movie 2: The Sealed Card - Toya Kinomoto
 Doraemon: A Grandmother's Recollections - Young Suneo
 Doraemon: Nobita no Shin Makai Daibouken - Shichinin no Mahoutsukai - Suneo
 Doraemon: Nobita's South Sea Adventure - Mermaid
 Escaflowne - Van Fanel
 Evangelion: 1.0 You Are [Not] Alone - Toji Suzuhara
 Harukanaru Toki no Naka de ~Maihitoyo~ - Tenma Morimura
 Initial D: Third Stage - Keisuke Takahashi
 InuYasha the Movie: Affections Touching Across Time - Menomaru
 Neon Genesis Evangelion: Death & Rebirth - Toji Suzuhara, Anggota SEELE
 Neon Genesis Evangelion: The End of Evangelion - Toji Suzuhara
 Ocean Waves - Minarai
 One Piece: Chinjou Shima no Chopper Oukoku - Presiden Snake
 Pikachu's Rescue Adventure - Kenji
 Pokemon 2000 - The Movie - Kenji
 Pokemon 3 - The Movie - Kenji
 Pokemon 4Ever - Kenji
 Pom Poko - Male Tanuki B
 X/1999 - Kamui Shiro
 You're Under Arrest: The Movie - Shoji Tokarin

CD Drama 

 Angel Sanctuary - Sandalphon
 Beauty Pop - Narumi Shogo
 Buso Renkin - Moon Face
 D.N.Angel Wink - Satoshi Hiwatari
 Dragon Knights - Rath Eryuser
 Everyday Everynight - Enohara Midato
 FAKE ~A Change of Heart~ - Dee Laytner
 Gaki/Kodomo no Ryoubun - Kayano Hiromi
 Haou Airen - Hakuron
 Juvenile Orion - Kusakabe Kaname
 Love Celeb - Ginzo Fujiwara, Hakuron
 Mekakushi no Kuni - Naito Aro
 Rurouni Kenshin - Sagara Sanosuke
 Saiunkoku Monogatari - Ryuki Shi
 Samurai Deeper Kyo - Shinrei

Radio 

 Saiunkoku Monogatari - Ryuki Shi

Permainan 

 Apocripha/0 - Sapphirus Hawthorne
 Atelier Lise ~Alchemist of Ordre~ - Client Marif
 Bleach Wii: Hakujin Kirameku Rondo - Arturo Plateado
 Evil Zone (Eretzvaju) - Danzaiver (Sho Mikagami)
 Fate/tiger colosseum - Gilgamesh
 Fate/Unlimited Codes - Gilgamesh
 Honkai Impact 3rd - Siegfried Kaslana
 Serial Initial D - Takahashi Keisuke
 Serial Invisible Sign - Aizawa Shun
 Lunar: Silver Star Story - Kyle
 Namco X Capcom - Black Bravoman, Stahn Aileron
 Odin Sphere - Onyx
 Persona 4 - Kanji Tatsumi
 Phantasy Star Universe - Ethan Waber
 Skies of Arcadia - Vyse
 Serial Sly Cooper (Sly Cooper)
 Sonic Unleashed (Sonic the Werehog)
 Star Ocean 2 - Ashton Anchors
 Super Robot Wars Z - Toshiya Dantou Tales of Destiny - Stan Aileron
 The Vision of Escaflowne - Van Fanel
 Viewtiful Joe: Red Hot Rumble - Joe
 Xenogears - Bart Fatima
 Xenosaga - Virgil

 Film layar lebar versi bahasa Jepang 

 High School Musical - Chad Danforth
 Jump In! - Isadore "Izzy" Daniels
 The Chronicles of Narnia: The Lion, the Witch and the Wardrobe - Mr. Tumnus the Faun
 Flags of Our Fathers - Rene Gagnon
 My Sassy Girl - Gyeon-woo
 Lords of Dogtown - Jay
 Transformers: Revenge of the Fallen - Skids

 Tokusatsu 

 Chouriki Sentai Ohranger - Puteri Buldont
 Denji Sentai Megaranger - Bididebi
 Kamen Rider Kabuto: Hyper Battle Video - Kabuto Zecter (suara)
 Kamen Rider Den-O'' - Anthopper Imagin Kirigiris

Referensi 

General
  (3 Juni 2007)

Pranala luar 

  Blog resmi di Tomokazu Seki
  Tomokazu Seki  di Situs Atomic Monkey
  Tomokazu Seki di Anime News Network
   Tomokazu Seki Shrine
  SekiTomokazu.com - an unofficial fansite, fanlisting, and fan forum

Pengisi suara laki-laki Jepang