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Photo of Toshihiko Seki

Toshihiko Seki

Actor, Additional CreditsBorn June 11, 1962 (63 years)
Toshihiko Seki, born on June 11, 1962, in Sendai, Miyagi Prefecture, Japan, is a celebrated Japanese voice actor, actor, singer, and narrator. He has been active in the entertainment industry since 1983 and is affiliated with 81 Produce, a prominent talent agency.

Seki is known for his versatility, often voicing characters with serious or easily agitated personalities, such as Duo Maxwell in Mobile Suit Gundam Wing, Iruka Umino in Naruto, Kaien Shiba in Bleach and Riki in Ai no Kusabi. He has also portrayed deranged villains like Legato Bluesummers in Trigun and Muzan Kibutsuji in Demon Slayer: Kimetsu no Yaiba. One of his most iconic roles is Momotaros in Kamen Rider Den-O, a character he has reprised in numerous productions.

In addition to his work in anime, Seki has contributed to video games, movies, and dubbing. His talent and dedication have earned him recognition, including being ranked as the 9th favorite voice actor in the 26th Annual Reader's Poll by Animage Magazine in 2004.

Movies & Shows on Plex

  • Saint Seiya
  • Seinto Seiya: The Lost Canvas - Meio Shinwa
  • Ninja Scroll: The Series
  • Requiem from the Darkness

Known For

  • Ocean Waves
  • Kill la Kill
  • Paranoia Agent
  • Black Clover: Sword of the Wizard King
  • Mobile Suit Gundam Wing
  • Demon Slayer: Kimetsu no Yaiba - Asakusa Arc
  • Bio Hunter
  • Gundam Wing: The Movie - Endless Waltz
  • Pet Shop of Horrors
  • Demon Slayer -Kimetsu no Yaiba- The Movie: Infinity Castle
  • Mobile Suit Gundam SEED
  • Mazinger Z: INFINITY
  • Road to Ninja - Naruto the Movie
  • When They Cry: Kai
  • The Legend of Zorro
  • Mobile Suit Gundam Wing: Endless Waltz

Filmography

2025
2025
Mashin Creator Wataru (TV Series) · as Mr. Liar (voice)
2025
I Have a Crush at Work (TV Series) · as Pastor (voice)
2024
2024
Trillion Game (2024) (TV Series) · as Toru Hebijima
2024
Good Bye, Dragon Life (TV Series) · as Deo
2024
Uzumaki (TV Series) · as Kawamoto
2024
I Parry Everything (TV Series) · as Carew (voice)
2023
The Birth of Kitaro: Mystery of GeGeGe · as Kitarou's Father (voice)
2023
Onimusha (TV Series) · as Kojiro Sasaki (voice)
2023
PLUTO (TV Series) · as Pluto (voice)
2023
Reign of the Seven Spellblades (TV Series) · as Theodore Mcfarlane
2023
2023
Rurouni Kenshin (2023) (TV Series) · as Narration (voice)
2023
Black Clover: Sword of the Wizard King · as Conrad Leto (voice)
2023
Mashle: Magic and Muscles (TV Series) · as Adam Jobs
2023
Run for the Money: The Great Mission (TV Series) · as Dracula
2023
2023
High Card (TV Series) · as Norman Kingstat (voice)
2022
BLUE LOCK (TV Series) · as Seiji Hoichi
2022
2022
Saiyuki Reload -Zeroin- (TV Series) · as Genjo Sanzo
2021
Build-Divide (TV Series) · as Mario Higuma
2021
The Vampire Dies in No Time (TV Series) · as Nagiri Tsujigiri
2021
2021
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc · as Muzan Kibutsuji (voice)
2021
2021
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Senki · as Momotaros (voice) / Kamen Rider Den-O (voice)
2020
2020
Higurashi: When They Cry (TV Series) · as Kyousuke Irie (voice)
2020
2020
The Misfit of Demon King Academy (TV Series) · as Ahide Alobo Agatze (voice)
2020
Plunderer (TV Series) · as Schmelman
2019
Ascendance of a Bookworm (TV Series) · as Eustachius
2019
Saint Seiya: Knights of the Zodiac (TV Series) · as Scorpio Milo (voice)
2019
2019
Sarazanmai (TV Series) · as Yuri Kamome
2019
Demon Slayer: Kimetsu no Yaiba (TV Series) · as Muzan Kibutsuji (voice)
2019
POP TEAM EPIC TV Special · as Popuko (white Tiger Version, B Part Of Part Ii)
2019
2019
Star☆Twinkle Precure (TV Series) · as Toto Hagoromo (voice)
2018
Kamen Rider Heisei Generations Forever · as Momotaros / Kamen Rider Den-O Sword Form (voice)
2018
Saint Seiya: Saintia Shô (TV Series) · as Scorpio Milo (voice)
2018
Kamen Rider Zi-O (TV Series) · as Momotaros
2018
Golden Kamuy (TV Series) · as Kazuo Henmi (voice)
2018
Caligula (TV Series) · as Counselor
2018
SWORD GAI The Animation (TV Series) · as Miura Takuma
2018
The Ryuo's Work is Never Done! (TV Series) · as Kiyotaki Kousuke (voice)
2017
Mazinger Z: INFINITY · as Tetsuya Tsurugi (voice)
2017
The Reflection (TV Series) · as Michael Holden (voice)
2017
Elegant Yokai Apartment Life (TV Series) · as Naomi Chiaki
2017
Atom: The Beginning (TV Series) · as Client
2017
Boruto: Naruto Next Generations (TV Series) · as Iruka Umino
2017
The Laughing Salesman (TV Series) · as Shisao Kihara(story2)
2017
Chou Super Hero Taisen: Kamen Rider vs. Super Sentai · as Momotaros - Kamen Rider Den-O Sword Form (voice)
2016
TO BE HERO (TV Series) · as Chinese Tohoku Muffler (voice)
2016
Mob Psycho 100 (TV Series) · as Musashi Goda (voice)
2016
The Day Naruto Became Hokage · as Iruka Umino (voice)
2016
Ace Attorney (TV Series) · as Aiga Hoshiidake
2016
Showa Genroku Rakugo Shinju (TV Series) · as Eisuke Higuchi (voice)
2015
2015
Saint Seiya: Soul of Gold (TV Series) · as Scorpio Milo (voice)
2015
Blood Blockade Battlefront (TV Series) · as Dr. Gamimozu
2014
The Last: Naruto the Movie · as Iruka Umino
2014
Girlfriend BETA (TV Series) · as Shiina Kokomi's Father
2014
Gonna Be the Twin-Tail!! (TV Series) · as Foxgildy
2014
Cross Ange: Rondo of Angel and Dragon (TV Series) · as Embryo (voice)
2014
2014
Wild Adapter (TV Series) · as Kou
2014
Space Dandy (TV Series) · as Public Prosecutor (voice)
2013
2013
Gingitsune: Messenger Fox of the Gods (TV Series) · as Tatsuo Saeki (voice)
2013
声優戦隊ボイストーム7 (TV Series) · as (voice)
2013
Kill la Kill (TV Series) · as Senketsu
2013
Higurashi no Naku Koro ni Kaku: Outbreak · as Kyousuke Irie (voice)
2013
Sanjougattai Transformers Go! (TV Series) · as Gekisōmaru (voice)
2013
2012
Kamen Rider Wizard (TV Series) · as Kamen Rider Den-O
2012
Road to Ninja - Naruto the Movie · as Iruka Umino (voice)
2012
Kamen Rider × Super Sentai: Super Hero Taisen · as Momotaros - Kamen Rider Den-O Sword Form (voice)
2012
Star Blazers 2199 (TV Series) · as Shin'ya Itô
2012
Naruto Spin-Off: Rock Lee & His Ninja Pals (TV Series) · as Iruka Umino
2012
Smile Precure! (TV Series) · as Hiroshi Hoshizora
2011
Guilty Crown (TV Series) · as Kurosu Ouma (voice)
2011
Hunter x Hunter (2011) (TV Series) · as Wing (voice)
2011
When They Cry: Kira (TV Series) · as Kyosuke Irie
2011
Detective Conan: Quarter of Silence · as Shogo Hikawa (voice)
2011
Pretty Rhythm (TV Series) · as 氷室 聖
2011
Hyouge Mono (TV Series) · as Mitsunari Ishida
2011
Kamen Rider OOO, Den-O, & All Riders: Let's Go Kamen Riders · as Momotaros / Kamen Rider Den-O Sword Form (voice)
2011
Saiyuki Gaiden (TV Series) · as Konzen Dōji (voice)
2011
2010
Psychic Detective Yakumo (TV Series) · as Isshin Saitō
2010
2010
2010
2010
Katanagatari (TV Series) · as Umigame Maniwa (voice)
2009
2009
Kamen Rider Decade: All Riders vs. Dai-Shocker · as Momotaros / Kamen Rider Den-O (voice)
2009
2009
Dogs: Bullets & Carnage (TV Series) · as Ernst Rammsteiner
2009
2009
Pandora Hearts (TV Series) · as Blake
2009
Kamen Rider Decade (TV Series) · as Momotaros
2008
2008
A Certain Magical Index (TV Series) · as Aleister Crowley (voice)
2008
2008
2008
Blade of the Immortal (TV Series) · as Souri (voice)
2008
Sekirei (TV Series) · as Hiroto Minaka
2008
2007
2007
Kamen Rider Den-O: I'm Born! · as Momotaros (voice)
2007
When They Cry: Kai (TV Series) · as Kyosuke Irie
2007
Saiyuki Reload: Burial (TV Series) · as Genjō Sanzō (voice)
2007
Princess Resurrection (TV Series) · as Prosecutor
2007
Emily Of New Moon (2007) (TV Series) · as Dean Priest
2007
Naruto Shippuden (TV Series) · as Iruka Umino (voice)
2007
Kamen Rider Den-O (TV Series) · as Momotaros (voice)
2006
Shonen Onmyouji (TV Series) · as Fujiwara No Yukinari
2006
Angelique: When Hearts Awaken (TV Series) · as Luva
2006
2006
When They Cry - Higurashi (TV Series) · as Kyousuke Irie (voice)
2005
Gintama (TV Series) · as Kamiyama
2005
2005
MÄR (TV Series) · as Danna Toramizu
2004
Meine Liebe (TV Series) · as Ludwig Herzog Von Mohn Nahe Liechtenstein (voice)
2004
Mobile Suit Gundam SEED Destiny (TV Series) · as Rey Ze Burrel
2004
Bleach (TV Series) · as Kaien Shiba
2004
My-HiME (TV Series) · as Reito Kanzaki (voice)
2004
Samurai Champloo (TV Series) · as Yamane (voice)
2004
Paranoia Agent (TV Series) · as Mitsuhiro Maniwa (voice)
2003
Fullmetal Alchemist (TV Series) · as Belshio
2003
Requiem from the Darkness (TV Series) · as Momosuke Yamaoka (voice)
2003
2003
Detective School Q (TV Series) · as Akatsuki Renjou
2003
Ninja Scroll: The Series (TV Series) · as Aizen
2002
Saint Seiya: The Hades Chapter (TV Series) · as Milo (voice)
2002
Mobile Suit Gundam SEED (TV Series) · as Rau Le Creuset (voice)
2002
Naruto (TV Series) · as Iruka Umino (voice)
2002
RahXephon (TV Series) · as Makoto Isshiki
2002
Mirage of Blaze (TV Series) · as Takaya Ohgi (voice)
2001
Rave Master (TV Series) · as Shuuda
2001
Final Fantasy: Unlimited (TV Series) · as Cid
2001
Saiyuki: Requiem - The Motion Picture · as Genjo Sanzo (voice)
2001
Fruits Basket (TV Series) · as Momiji's Father
2001
Zone of the Enders: Dolores (TV Series) · as Nikolai (fourth Yan)
2001
Noir (TV Series) · as Milosh
2000
Vampire Hunter D: Bloodlust · as Grove Marcus
2000
InuYasha (TV Series) · as Garamaru
2000
Baby Felix (TV Series) · as Felix
2000
Alexander: The Movie · as Alexander
2000
Descendants of Darkness (TV Series) · as Yutaka Watari (voice)
2000
Saiyuki (TV Series) · as Genjo Sanzo (voice)
1999
One Piece (TV Series) · as Duval
1999
Pet Shop of Horrors (TV Series) · as Count D (voice)
1999
Bビーダマン爆外伝V (TV Series) · as Kurobon
1999
Harlock Saga (TV Series)
1998
Blue Submarine No. 6 (TV Series) · as Katsuma Nonaka
1998
Gundam Wing: The Movie - Endless Waltz · as Duo Maxwell (voice)
1998
Nightwalker: Midnight Detective (TV Series) · as Bait
1998
Silent Möbius (TV Series) · as Genvara
1998
Trigun (TV Series) · as Legato Bluesummers (voice)
1998
Revival of Evangelion · as Asuka's Father
1998
1998
Outlaw Star (TV Series) · as Fred (voice)
1997
Twilight of the Dark Master · as Shijo Tsunami (voice)
1997
Reign: The Conqueror (TV Series) · as Alexander (voice)
1997
竜機伝承 (TV Series) · as Rain Keeves Fearudo (voice)
1997
Clamp School Detectives (TV Series) · as Husband
1997
I Dream of Mimi (TV Series) · as Master
1997
1997
Hareluya II Boy (TV Series) · as Azami
1997
Hyper Police (TV Series) · as Sakunoshin Chikura
1997
Pokémon (TV Series) · as Ken
1997
1997
Mobile Suit Gundam Wing: Endless Waltz (TV Series) · as Duo Maxwell
1996
Legend of Crystania (TV Series) · as Nursel
1996
You're Under Arrest! (TV Series) · as Kazuka Tokio
1996
X · as Shougo
1996
1996
B’T X (TV Series) · as Quatro (voice)
1996
Shinesman (TV Series) · as Shujin Seki (voice)
1996
The End of the Century Darling · as Todorokki Kouhei (voice)
1995
Bio Hunter · as Komada
1995
Neon Genesis Evangelion (TV Series) · as Assistant C
1995
1995
Mobile Suit Gundam Wing (TV Series) · as Duo Maxwell (voice)
1995
Azuki-chan (TV Series) · as Ryuuzou
1994
The Legend of Zorro (TV Series) · as Don Diego De La Vega / Zorro
1994
World Fairy Tale Series (TV Series) · as D'artagnan
1994
801 T.T.S. Airbats (TV Series) · as Hiyama Sanshirou
1994
I'm Not an Angel! · as Bunta Kouno (voice)
1994
Phantom Quest Corp. (TV Series) · as Hakyô
1994
Phantom Quest Corp. · as Hakyô
1994
Genocyber (TV Series) · as Sakomizu
1994
Lord of Lords Ryu Knight (TV Series) · as Hittel
1994
Goal Field Hunter (TV Series) · as Terabayashi Shoutarou
1994
Montana Jones (TV Series) · as Hamid
1994
Genocyber · as Sakomizu (voice)
1994
Natsuki Crisis (TV Series) · as Kyōtarō Himuro
1993
Black Jack (TV Series) · as Tokio Umetani (voice)
1993
Please Save My Earth · as Mikuro Yakushimaru (voice)
1993
Please Save My Earth (TV Series) · as Mikuro Yakushimaru (voice)
1993
Aoki Densetsu Shoot (TV Series) · as Akihiko Himuro
1993
Suikoden: Demon Century · as Takateru Suga (voice)
1993
Ninja Scroll · as Yurimaru (voice)
1993
Ocean Waves · as Yutaka Matsuno (voice)
1993
Nintama Rantarou (TV Series) · as Hansuke Doi
1993
The Irresponsible Captain Tylor (TV Series) · as Ru Baraba Dom
1992
Download: Devil's Circuit · as Sid (voice)
1992
D-1 Devastator (TV Series) · as 谷田辺了
1992
Wedge of Love (TV Series) · as Riki (voice)
1992
Bastard!! (TV Series)
1992
1992
1992
Princess Army: Wedding Combat (TV Series) · as Yuuya Hashiba
1992
The Weathering Continent · as Tieh (voice)
1992
Genesis Survivor Gaiarth (TV Series) · as The General
1991
Here is Greenwood (TV Series) · as Shinobu Tezuka (voice)
1991
1991
Flaming Rugby Boy: Dodge Danpei (TV Series) · as Nikaidou
1991
Izumo (TV Series) · as Izumo (voice)
1991
Tenkû Senki Shurato: Sousei e no Antou (TV Series) · as Shurato
1991
Detonator Orgun (TV Series) · as Knock
1991
1991
Blazing Transfer Student (TV Series) · as Noboru Takizawa (voice)
1991
Future GPX Cyber Formula (TV Series) · as Jotaro Kaga
1991
Mischievous Twins: The Tales of St. Clare's (TV Series) · as Melia Glance
1990
The Hakkenden: Legend of the Dog Warriors (TV Series) · as Shino Inuzuka (voice)
1990
Robin Hood (1990) (TV Series) · as Gilbert
1990
Magical Angel Sweet Mint (TV Series) · as Marble
1990
Goddamn (TV Series) · as Hans Schultz
1990
Nadia: The Secret of Blue Water (TV Series) · as Fejto (voice)
1989
Demon Hunter · as Shou Kurogane (voice)
1989
Yawara! A Fashionable Judo Girl (TV Series) · as Matsuda / Eiji (voice)
1989
Darkness of the Sea, Shadow of the Moon (TV Series) · as Katsuyuki Touma (voice)
1989
Dash! Yonkuro (TV Series)
1989
Angel Cop · as Tachihara (voice)
1989
Angel Cop (TV Series) · as Tachihara
1989
Shinderera ekusupuresu · as Yuji Shimano
1989
Ranma ½ (TV Series) · as Mousse (voice)
1989
Madö King Granzört (TV Series) · as Grunwald
1989
Legend of Heavenly Sphere Shurato (TV Series) · as Shurato
1989
1989
Jushin Liger (TV Series) · as Murakawa
1988
Hades Project: Zeorymer Separation · as Masato Akitsu (voice)
1988
Hades Project Zeorymer (TV Series) · as (voice)
1988
Armor Hunter Merowlink (TV Series) · as Pfc Cepres
1988
Dragon Century (TV Series)
1988
OISHINBO (TV Series) · as Ryôzô Ôkaboshi
1988
Let's Go! Anpanman (TV Series) · as Cast
1988
Zillion: Burning Night · as J.j. (voice)
1988
Spirit Warrior (TV Series) · as Kujaku (voice)
1988
Balthus: Tia's Radiance · as Eud (voice)
1988
F (TV Series) · as Gunma Akagi (voice)
1987
The Samurai · as Takeshi Chimatsuri
1987
Toi · as Shouji (voice)
1987
Red Photon Zillion (TV Series) · as Jj
1987
ESPer Mami (TV Series) · as Manager
1987
Sunny Ryoko (TV Series) · as Regent
1987
Maryu Senki (TV Series) · as 錦繍 (voice)
1987
Little Women (1987) (TV Series) · as John Marty
1986
Saint Seiya (TV Series) · as Fenrir
1986
Anmitsu princess (TV Series) · as Additional Voices
1986
Castle in the Sky · as Additional Voices (voice)
1986
Call Me Tonight · as Hayata (voice)
1986
Baribari Densetsu (TV Series) · as Chinpira
1986
Story of Pollyanna, Girl of Love (TV Series) · as John (youth Era)
1985
Ninja Senshi Tobikage (TV Series) · as Soldier
1985
Star Magician Magical Emi (TV Series) · as Customer A (voice)
1985
Touch (TV Series) · as Nakajima
1971
Kamen Rider (TV Series) · as Momotaros (voice)

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