Tomokazu Seki (born September 8, 1972) is a popular and very famous seiyuu in Japan. He formerly worked for Haikyou, now he is the head of Atomic Monkey.
| 2024 | 王様戦隊キングオージャー 最終三話ＴＴＦＣ特別バージョン as Gerojim (voice) |
| 2024 | 王様戦隊キングオージャーVSキョウリュウジャー as Minongan Moth (voice) |
| 2024 | 映画ドラえもん のび太の地球交響楽 as Suneo (voice) |
| 2024 | 「鬼滅の刃」絆の奇跡、そして柱稽古へ as Sanemi Shinazugawa (voice) |
| 2024 | 機動戦士ガンダムSEED FREEDOM as Yzak Jule (voice) |
| 2023 | 爆竜戦隊アバレンジャー20th: 許されざるアバレ as Abarengecko (Voice) |
| 2023 | Fate/strange Fake -Whispers of Dawn- as Archer (voice) |
| 2023 | 劇場版 PSYCHO-PASS サイコパス PROVIDENCE as Shinya Kogami (voice) |
| 2023 | 映画ドラえもん のび太と空の理想郷 as Suneo (voice) |
| 2023 | 妖怪ウォッチ♪ ジバニャンVSコマさん もんげー大決戦だニャン |
| 2022 | ウルトラマンレグロス ファーストミッション as Ultraman Great (voice) |
| 2022 | 劇場版 ソードアート・オンライン -プログレッシブ- 冥き夕闇のスケルツォ as Kibaou (voice) |
| 2022 | One Piece Film: Red as Rob Lucci (voice) |
| 2022 | タヌキ社長 |
| 2022 | Doraemon Filmi: Nobita'nın Küçük Yıldız Savaşları 2021 as Suneo (voice) |
| 2021 | Jujutsu Kaisen 0 as Panda (voice) |
| 2021 | 海賊戦隊テンゴーカイジャー as Narration, Ring Announcer, Gokaiger Arsenal |
| 2021 | 劇場版 ソードアート・オンライン-プログレッシブ- 星なき夜のアリア as Kibaou (voice) |
| 2021 | Fate/Grand Order -終局特異点 冠位時間神殿ソロモン- as Gilgamesh (voice) |
| 2021 | 鬼滅の刃 柱合会議・蝶屋敷編 as Sanemi Shinazugawa (voice) |
| 2021 | Evangelion: Bir Seferde Üç Kez 3.0+1.0 as Toji Suzuhara (voice) |
| 2021 | 頭文字D Battle Stage 3 as Keisuke Takahashi |
| 2021 | 機界戦隊ゼンカイジャー THE MOVIE 赤い戦い！ オール戦隊大集会！！ as Super Villain World (voice) |
| 2020 | Doraemon 2 as Suneo (voice) |
| 2020 | Demon Slayer: Mugen Treni as Sanemi Shinazugawa (voice) |
| 2020 | 映画ドラえもん のび太の新恐竜 as Suneo (voice) |
| 2020 | PSYCHO-PASS サイコパス 3 FIRST INSPECTOR as Kougami Shin`ya (voice) |
| 2019 | Seven Days War as Immigration Administrator (voice) |
| 2019 | 映画 妖怪ウォッチ 妖怪学園Y 猫はHEROになれるか |
| 2019 | Kamen Rider Zi-O: Special Event as Time Shocker Combatmen |
| 2019 | スーパー戦隊最強バトル！！ ディレクターズカット版 as Tsuyoshi Kaijo / Akaranger (voice) |
| 2019 | 劇場版パタリロ！ as (voice) |
| 2019 | PSYCHO-PASS サイコパス Sinners of the System Case.3「恩讐の彼方に＿＿」 as Kougami Shin`ya |
| 2019 | 映画ドラえもん のび太の月面探査記 as Suneo (voice) |
| 2019 | PSYCHO-PASS サイコパス Sinners of the System Case.2「First Guardian」 as Kougami Shin`ya |
| 2019 | PSYCHO-PASS サイコパス Sinners of the System Case.1「罪と罰」 as Kougami Shin`ya |
| 2019 | 劇場版「Fate/stay night [Heaven’s Feel]」Ⅱ.lost butterfly as Gilgamesh (voice) |
| 2019 | One Piece Movie: Stampede as Rob Lucci (voice) |
| 2018 | 映画 妖怪ウォッチ FOREVER FRIENDS as 执事･臼田さん |
| 2018 | Tatlı İlaçlar Sarılmalar - Yıldız Anıları Film 18 as Mepple (voice) |
| 2018 | 薄墨桜 -GARO- as Takeru (voice) |
| 2018 | 劇場版ウルトラマンジード：つなぐゼ！願い！！ as Glenfire (voice) |
| 2018 | Doraemon Filmi : Nobita ' nın Hazine Adası as Suneo (voice) |
| 2018 | 劇場版Infini-T Force／ガッチャマン さらば友よ as Ken Washio / Gatchaman G-01 |
| 2018 | フルメタル・パニック！ディレクターズカット版 第３部：「イントゥ・ザ・ブルー」編 as Sagara Sosuke (Voice) |
| 2018 | フルメタル・パニック！ディレクターズカット版 第２部：「ワン・ナイト・スタンド」編 as Sagara Sosuke |
| 2017 | 映画 妖怪ウォッチ シャドウサイド 鬼王の復活 as Whisper (voice) |
| 2017 | Kamen Rider Heisei Generations Final: Build & Ex-Aid with Legend Rider as Musashi Ghost (voice) / Nobunaga Ghost (voice) / Grim Ghost (voice) |
| 2017 | フルメタル・パニック！ディレクターズカット版 第１部：「ボーイ・ミーツ・ガール」編 as Sagara Sosuke |
| 2017 | 劇場版「Fate/stay night [Heaven’s Feel]」Ⅰ.presage flower as Gilgamesh (voice) |
| 2017 | 宇宙刑事ギャバン VS 特捜戦隊デカレンジャー as Priest / Berg Seijin Cronen (voice) |
| 2017 | 映画ドラえもん のび太の南極カチコチ大冒険 as Suneo (voice) |
| 2016 | One Piece: Heart of Gold as Lucci Rob (voice) |
| 2016 | 映画 妖怪ウォッチ 空飛ぶクジラとダブル世界の大冒険だニャン！ as Whisper (voice) |
| 2016 | 仮面ライダー平成ジェネレーションズ Dr.パックマン対エグゼイド&ゴースト with レジェンドライダー as Oda Nobunaga (voice) |
| 2016 | Kamen Rider Ghost: Special Event as Akazawa, Shocker Rider No. 3, Kabuki, Nega Den-O, Shadow Moon |
| 2016 | 劇場版 仮面ライダーゴースト: 100の眼魂とゴースト運命の瞬間 as Parka Ghosts (voice) |
| 2016 | One Piece Film: Gold as Rob Lucci (voice) |
| 2016 | Kralın Kılıcı: Final Fantasy XV as Luche Lazarus (voice) |
| 2016 | 仮面ライダー1号 as Shiomaneking, Ganikomol, Poison Lizard Man, Narrator |
| 2016 | Doraemon: Taş Devri Macerası as Suneo (voice) |
| 2015 | 映画 妖怪ウォッチ エンマ大王と5つの物語だニャン！ as Whisper (voice) |
| 2015 | 映画かいけつゾロリ うちゅうの勇者たち as Handsome Octopus |
| 2015 | Kamen Rider Drive Special Event: The Special Circumstances Case Investigation File as Kuroda |
| 2015 | 手裏剣戦隊ニンニンジャーVS仮面ライダードライブ 春休み合体スペシャル as Great Leader of Shocker (voice) |
| 2015 | ｄビデオスペシャル 仮面ライダー4号 as Great Leader of Shocker (voice), Arimammoth (voice) |
| 2015 | スーパーヒーロー大戦GP 仮面ライダー3号 as Narrator / Great Leader of Shocker / Additional Voices (voice) |
| 2015 | Tatlı İlaçlar Prenses Savaşçılar Butun Yıldızlar Bahar Karnavalı Eğlencesi as Mepple (voice) |
| 2015 | 映画ドラえもん のび太の宇宙英雄記 as Suneo (voice) |
| 2015 | Type HIGH SPEED! ホンモノの力! タイプハイスピード誕生！ as Roidmude 027 (voice) |
| 2015 | 劇場版 サイコパス as Shinya Kogami (voice) |
| 2014 | 映画 妖怪ウォッチ 誕生の秘密だニャン！ as Whisper / Buchinyan (voice) |
| 2014 | 烈車戦隊トッキュウジャー さらばチケットくん！ 荒野の超トッキュウバトル!!」だ!! as Kaniros (voice) |
| 2014 | Kamen Rider Gaim Special Event: Hyakka Ryoran Sengoku Emaki as Suspicious Younger Brother |
| 2014 | Doraemon as Suneo (voice) |
| 2014 | 烈車戦隊トッキュウジャーVS仮面ライダー鎧武 ガイム 春休み合体スペシャル as Kamen Rider V3 (voice) |
| 2014 | 平成ライダー対昭和ライダー 仮面ライダー大戦 feat.スーパー戦隊 as Badan Leader (voice), Additional Voices |
| 2014 | Doraemon: New Nobita's Great Demon-Peko and the Exploration Party of Five as Suneo (voice) |
| 2013 | 暗殺教室 |
| 2013 | Kamen Rider × Super Sentai × Space Sheriff Super Hero Taisen Z Released Memorial: Kamen Rider Wizard Special Event Z as Narration, Space Ikadevil |
| 2013 | ウルトラマンギンガ 劇場スペシャル as Alien Icarus (voice) |
| 2013 | フェアリーテイル×レイブ as Haru Glory |
| 2013 | ネット版 仮面ライダーウィザード イン マジか！？ランド as Kamen Rider Amazon / Kamen Rider Stronger / Great Leader of Shocker (voices) |
| 2013 | ウルトラゼロファイト as Glen Fire (voice) |
| 2013 | 仮面ライダー×スーパー戦隊×宇宙刑事 スーパーヒーロー大戦Z as Narrator (voice) / Aka Ranger (voice) / Space Ika Devil (voice) |
| 2013 | Steins;Gate Movie: Fuka Ryouiki no Déjà vu as Itaru Hashida (voice) |
| 2013 | ネット版 仮面ライダー×スーパー戦隊×宇宙刑事 スーパーヒーロー大戦乙（おつ）！―Heroo！知恵袋 あなたのお悩み解決します！― as Akarenger, RIder Stronger, Rider Amazon, Shocker Leader (voice) |
| 2013 | PuriCure All Stars Yeni Aşama 2: Kalbin Dostları./ Precure All Stars New Stage 2: Friends from the Heart as Mepple |
| 2013 | 映画ドラえもん のび太のひみつ道具博物館 as Suneo (voice) |
| 2013 | 特命戦隊ゴーバスターズVS海賊戦隊ゴーカイジャー THE MOVIE as Gokaiger Arsenal (voice) |
| 2012 | 仮面ライダー×仮面ライダー ウィザード&フォーゼ MOVIE大戦アルティメイタム as Eel (voice) |
| 2012 | 宇宙刑事ギャバンTHE MOVIE as Lizard Doubler (voice) |
| 2012 | Street Fighter X Tekken Vita as Bryan Fury (voice) |
| 2012 | 死ガ二人ヲワカツマデ･･･ 第一章 色ノナイ青 |
| 2012 | 仮面ライダー×スーパー戦隊 スーパーヒーロー大戦 as Narrator (voice) / AkaRenger (voice) |
| 2012 | Purecua Savascilari. Butun Yildizlar./ Film 10./ Yeni Etap ./ Geleceyin Arkadaslari Dostlari./Precure All Stars New Stage: Friends of the Future as Mepple |
| 2012 | 映画ドラえもん のび太と奇跡の島 ～アニマル アドベンチャー～ as Suneo (voice) |
| 2012 | 海賊戦隊ゴーカイジャーVS宇宙刑事ギャバンTHE MOVIE as Narrator (voice) |
| 2011 | 海賊戦隊ゴーカイジャー キンキンに！ド派手に行くぜ！36段ゴーカイチェンジ!! as Karizorg (Voice) |
| 2011 | 海賊戦隊ゴーカイジャーTHE MOVIE 空飛ぶ幽霊船 as Narration, Gokaiger Arsenal (Voice) |
| 2011 | ゴーカイジャー ゴセイジャー スーパー戦隊199ヒーロー 大決戦 as Narrator, Gokaiger Arsenal, Kirenger, Red Falcon, Zubaan (voice) |
| 2011 | 劇場版 戦国BASARA -The Last Party- as Ishida Mitsunari (voice) |
| 2011 | オーズ・電王・オールライダー レッツゴー仮面ライダー as Ikadevil, Rider Amazon, Rider Stronger, Kikaider (voice) |
| 2011 | Tatli Ilaclar./ Purecua Savascilari./ Butun Yildizlar Deluks 3./ Film 9./ Geliceye Ulasmak. / Gokkusagi Chiceyi ./ Dunyalarin Bir Araya Gelmesi./ Precure All Stars Movie DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World as Mepple (voice) |
| 2011 | 映画ドラえもん 新・のび太と鉄人兵団 ～はばたけ 天使たち～ as Suneo (voice) |
| 2010 | ウルトラマンゼロ THE MOVIE 超決戦！ベリアル銀河帝国 as Glenfire (voice) |
| 2010 | ワンダフル・ワールド |
| 2010 | Tatli Ilaclar./ Purecua Savascilari./ Butun Yildizlar Deluks 2./ Film 8./ Sihirli Gokkusagi Incisini Korumak./ Eiga Precure All Stars DX2: Kibou no Hikari! Rainbow Jewel o Mamore! as Mepple (voice) |
| 2010 | 映画ドラえもん のび太の人魚大海戦 as Suneo (voice) |
| 2010 | Halo Legends as Brother (segment "Odd One Out") |
| 2010 | 遙かなる時空の中で3 終わりなき運命 as Minamoto no Kurō Yoshitsune (voice) |
| 2009 | 劇場版 仮面ライダーディケイド オールライダー対大ショッカー as Kamen Rider Amazon (voice), Ikadevil (voice) |
| 2009 | ヱヴァンゲリヲン新劇場版：破 as Toji Suzuhara (voice) |
| 2009 | らき☆すた in 武道館 〜あなたのためだから〜 as 兄沢命斗 |
| 2009 | Tatli Ilaclar ./ Oll Stars Buyuk Yildiz Deluks. / Film 7 ./ Buyuk Sihirli Toplanis./ Biz Hepimiz Arkadas Dostuz ./ Eiga Precure All Stars DX: Minna Tomodachi - Kiseki no Zenin Daishuugou as Mepple (voice) |
| 2009 | 映画ドラえもん 新・のび太の宇宙開拓史 as Suneo (voice) |
| 2008 | NIGHT OF THE WEREHOG ～ソニック＆チップ 恐怖の館～ as Sonic The Werehog (Japanese) |
| 2008 | ドラえもんといっしょ:ドラミちゃんと できるかな as Suneo Honekawa |
| 2008 | 映画ドラえもん のび太と緑の巨人伝 as Suneo (voice) |
| 2008 | 遙かなる時空の中で3 紅の月 |
| 2007 | Evangelion: 1.0 Yalnız Değilsin as Toji Suzuhara (voice) |
| 2007 | 鉄人28号 白昼の残月 as Detective Seki |
| 2007 | 映画ドラえもん のび太の新魔界大冒険 as Suneo (voice) |
| 2006 | 仮面ライダーカブト 誕生！ガタックハイパーフォーム!! as Kabuto Zecter (voice) |
| 2006 | 劇場版 遙かなる時空の中で 舞一夜 as Tenma Morimura |
| 2006 | 映画ドラえもん のび太の恐竜2006 as Suneo (voice) |
| 2005 | Purecua Maks Hart./ Film 2 ./ Karli Gokyuzunun Dostlari./ Eiga Futari wa Precure Max Heart 2: Yukizora no Tomodachi as Mepple (voice) |
| 2005 | Birlikde Biz Purecua Savascilariyiz Maks Hart / Film 1 ./ Eiga Futari wa Precure Max Heart Movie 1 as Mepple (voice) |
| 2004 | 映画ドラえもん のび太のワンニャン時空伝 as Duk (voice) |
| 2003 | 頭文字D Battle Stage as Keisuke Takahashi |
| 2003 | はじめの一歩 -Champion Road- as Ichirou Miyata (voice) |
| 2003 | 劇場版#26実写パート (特別ラッシュ編集版) as Toji |
| 2002 | アニメ店長 as Meito Anizawa (voice) |
| 2002 | One Piece Movie 3: Chinjou-shima no Chopper Oukoku as President Heaby (voice) |
| 2001 | 犬夜叉 時代を越える想い as Menomaru |
| 2001 | Gundam Evolve |
| 2001 | Pokémon 4: Daima as Kenji (voice) |
| 2001 | 劇場版 頭文字D Third Stage as Keisuke Takahashi (voice) |
| 2000 | Cardcaptor Sakura Film 2: Mühürlü Kart as Touya Kinomoto |
| 2000 | Pokémon 3: Film as Kenji (voice) |
| 2000 | エスカフローネ as Van (voice) |
| 2000 | AMON デビルマン黙示録 as Ryo Asuka |
| 1999 | Cardcaptor Sakura: The Movie as Touya Kinomoto |
| 1999 | Pokémon 2: En Güçlü O as Kenji (voice) |
| 1999 | ピカチュウたんけんたい as Kenji (voice) |
| 1999 | 逮捕しちゃうぞ the MOVIE as Shoji Tokarin (voice) |
| 1998 | サイキックフォース as Burn Grifith |
| 1998 | 電磁戦隊メガレンジャーVSカーレンジャー as Bibidebi |
| 1998 | Evangelion : Ölüme ( Doğru )² as Toji Suzuhara (voice) |
| 1998 | Evangelion'un Canlanması as Toji Suzuhara (voice) |
| 1997 | Yakumo Tatsu |
| 1997 | Neon Genesis Evangelion: Ölüm ve Yeniden Doğuş as Touji Suzuhara (voice) |
| 1996 | Fake as Dee Laytner (voice) |
| 1996 | エックス as Kamui Shirou |
| 1996 | 闘神伝 as Eiji |
| 1996 | サンクチュアリ as Reiji Tashiro |
| 1996 | 超力戦隊オーレンジャー オーレVSカクレンジャー as Prince Buldont (voice) |
| 1995 | Super Atragon as Go Arisaka (voice) |
| 1995 | 超力戦隊オーレンジャー The Movie as Prince Bulldont (voice) |
| 1994 | Aoki Densetsu Shoot! as Keigo Mahori |
| 1994 | 臀撃おしおき娘ゴータマンR（リターン）〜愛と悲しみのファイナルバトル as Ryo Tobishima (voice) |
| 1994 | Büyülü Dalgalar as Minarai (voice) |
| 1994 | 臀撃おしおき娘ゴータマン～ゴータマン誕生篇 as Ryo Tobishima (voice) |
| 1994 | 素足のGinRei EPISODE 1 〜盗まれた戦闘チャイナを探せ大作戦!! |
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