Toshihiko Seki

ActorSound Jun 11 (age 63) Sendai, Miyagi, Japan 1971–2026 (55 year career)

6.6 avg rating

Biography

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 a…

Known For

Film

Naruto Shippūden

Iruka Umino (voice)

Film

Naruto

Iruka Umino (voice)

Film

Castle in the Sky

Additional Voices (voice)

Film

Samurai Champloo

Yamane (voice)

Film

Saint Seiya: Soul of Gold

Scorpio Milo (voice)

Film

Road to Ninja: Naruto the Movie

Iruka Umino (voice)

Film

Ninja Scroll

Yurimaru (voice)

Film

Vampire Hunter D: Bloodlust

Grove Marcus (voice)

Filmography

Acting (241)

Movies (111)

Untitled Super Space Sheriff Gavan Infinity Summer Movie

2026 Upcoming

as Cosmo Gavarion System Voice / Gavarion Trigger System Voice

Jul 24

Super Space Sheriff Gavan Infinity: Jo-Chaku Course

2026

as Gavarion Trigger System Voice (voice)

Demon Slayer: Kimetsu no Yaiba Infinity Castle

2025

as Muzan Kibutsuji (voice)

7.7

Nintama Rantarō: Invincible Master of the Dokutake Ninja

2024

as Hansuke Doi (voice)

7.7

Black Clover: Sword of the Wizard King

2023

as Conrad Leto (voice)

8.1

The Birth of Kitaro: The Mystery of GeGeGe

2023

as Kitarou's Father (voice)

7.4

Demon Slayer: Kimetsu no Yaiba - Asakusa Arc

2022

as Muzan Kibutsuji (voice)

7.7

My Hero Academia: World Heroes' Mission

2021

as Eddie Soul (voice)

7.6

Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles

2021

as Momotaros (voice) / Kamen Rider Den-O (voice)

6.0

Kamen Rider Den-O: The Birth of Pretty Den-O!

2020

as Momotaros (voice)

8.0

Demon Slayer: Kimetsu no Yaiba - Sibling's Bond

2019

as Muzan Kibutsuji (voice)

7.9

Kamen Rider Heisei Generations Forever

2018

as Momotaros / Kamen Rider Den-O Sword Form (voice)

6.1

Mazinger Z: Infinity

2017

as Tetsuya Tsurugi (voice)

6.9

Kamen Rider × Super Sentai: Ultra Super Hero Wars

2017

as Momotaros - Kamen Rider Den-O Sword Form (voice)

5.7

Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-

2017

as Momotaros

Naruto OVA 12: The Day Naruto Became Hokage

2016

as Iruka Umino (voice)

7.5

Mobile Suit Gundam: The Origin II - Artesia's Sorrow

2015

as Char Aznable (voice)

7.3

Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai

2014

as Kamen Rider Den-O Sword Form (voice)

6.4

Hunter x Hunter: The Last Mission

2013

as Wing (voice)

7.0

Higurashi: When They Cry - Outbreak

2013

as Kyousuke Irie (voice)

6.6

Road to Ninja: Naruto the Movie

2012

as Iruka Umino (voice)

7.4

Kamen Rider × Super Sentai: Super Hero Wars

2012

as Momotaros - Kamen Rider Den-O Sword Form (voice)

6.3

Detective Conan: Quarter of Silence

2011

as Shogo Hikawa (voice)

7.1

OOO, Den-O, All Riders: Let's Go Kamen Riders

2011

as Momotaros / Kamen Rider Den-O Sword Form (voice)

6.0

OOO, Den-O, All Riders: Let's Go Kamen Riders: ~Let's Look! Only Your 48 Riders~

2011

as Momotaros (voice)

Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!

2011

as Hansuke Doi (voice)

4.8

Super Kamen Rider Den-O Trilogy - Episode Blue: The Dispatched Imagin is Newtral

2010

as Momotaros (voice)

5.6

Kamen Rider Decade: Final Stage

2010

as Momotaros / Kamen Rider Den-O (Sword Form)

Super Kamen Rider Den-O Trilogy - Episode Yellow: Treasure de End Pirates

2010

as Momotaros (voice)

5.2

Super Kamen Rider Den-O Trilogy - Episode Red: Zero's Star Twinkle

2010

as Momotaros (voice)

5.3

Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010

2010

Kamen Rider Decade: All Riders vs. Dai-Shocker

2009

as Momotaros / Kamen Rider Den-O (voice)

6.3

Kamen Rider Kiva & Den-O: DenLiner, Into Space!

2009

as Momotaros (voice)

Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship

2009

as Momotaros (voice)

6.1

Kamen Rider × Kamen Rider W & Decade: Movie War 2010

2009

as Kamen Rider Den-O (voice)

6.2

Saraba Kamen Rider Den-O: Special Event -Saraba Imagin! At Climax in the Entire Japan!!-

2009

as Momotaros (voice)

10th Anniversary Project: Masked Rider LIVE & SHOW

2009

as Kamen Rider Den-O Sword Form (voice)

Kamen Rider Den-O & Kiva: Climax Deka

2008

as Momotaros (voice)

8.0

Kamen Rider Den-O: Final Trilogy Special Edition

2008

as Momotaros (voice)

Kamen Rider Kiva: King of the Castle in the Demon World

2008

as Penetentiary Officer Sanjo

6.9

Farewell Kamen Rider Den-O: Final Countdown

2008

as Momotaros (voice)

7.3

Imagin Anime: Momotaros Forever!/Imajin Terminal Station

2008

as Momotaros (voice)

Momotaros' King of the Crimson Castle

2008

as Momotaros (voice)

Kamen Rider Den-O: Singing, Dancing, Great Training!!

2007

as Momotaros (voice)

Kamen Rider Den-O The Movie: I'm Born!

2007

as Momotaros (voice)

7.2

Crayon Shin-chan Midsummer Night: I Have Arrived! The Storm is Called Den-O vs. Shin-O! 60 Minute Special!!

2007

as Momotaros (voice)

Momotaros' Summer Vacation

2007

as Momotaros (voice)

Kamen Rider Den-O: Final Stage

2007

as Momotaros

Animation Store Manager

2002

as Ryuu Raiba (voice)

4.2

Saiyuki Interactive

2002

4.0

Vampire Hunter D: Bloodlust

2001

as Grove Marcus (voice)

7.7

Saiyuki: Requiem

2001

as Genjo Sanzo (voice)

4.9

Reign: The Conqueror Movie

as Alexander

Baby Felix & Friends

as Felix The Cat

Gundam Wing: The Endless Waltz

1998

as Duo Maxwell (voice)

7.3

Twilight of the Dark Master

1997

as Shijo Tsunami (voice)

5.3

Violinist of Hamelin: The Movie

1996

as Raiel (voice)

The End of the Century Darling

1996

as Todorokki Kouhei (voice)

4.0

Ultraman Super Fighter Legend

1996

as Ultraseven / Ultraman Leo (voice)

X: The Movie

1996

as Shougo

6.0

Yawara! Atlanta Special

Bio Hunter

as Komada

Genocyber

as Sakomizu (voice)

Wild 7: Biker Knights

1994

as Dairoku Hiba

2.0

Dorami-chan: A Blue Straw Hat

1994

as Crow (voice)

6.2

I'm Not an Angel!

1994

as Bunta Kouno (voice)

Love Wedge 2

as Riki (voice)

Ninja Scroll

as Yurimaru (voice)

Ocean Waves

as Yutaka Matsuno (voice)

6.4

Suikoden Demon Century

1993

as Takateru Suga (voice)

4.5

Kiss Me on the Apple of My Eye

1993

as Naoto (voice)

Ranma 1/2 the Movie 2: Nihao My Concubine

1992

as Mousse (voice)

7.9

Oruorane the Cat Player

1992

as The Cellist

4.0

The Weathering Continent

1992

as Tieh (voice)

5.5

Calico Cat Holmes and the Lord of the Haunted Castle

1992

as Yoshitaro Katayama (voice)

7.0

Download: Devil's Circuit

as Sid (voice)

Love Wedge 1

as Riki (voice)

Yawara! Go Get 'Em, Wimpy Kids!!

1992

5.5

Ranma 1/2 the Movie: Big Trouble in Nekonron, China

1991

as Mousse (voice)

7.1

Inferious Interplanetary War Chronicle - Condition Green

1991

as Soo Laform (voice)

Nadia: The Secret of Blue Water - The Motion Picture

1991

as Falt (voice)

4.7

Trusty Ginjiro

1991

as Hideki Mitsui (voice)

Nadia: The Secret of Blue Water - Nautilus Story II

1991

as Fate (voice)

Handsome Girl

1991

as Ichiya Kumagai (voice)

3.0

Yuukan Club

1991

7.0

Hisashi Eguchi's Kotobuki Goro Show

1991

as Piston Akagi (voice)

4.7

Moonlight Pierce

1991

as Hiroshi Takama (voice)

Ryokunohara Labyrinth - Sparkling Phantom

1990

as Hiroki Imashi

5.0

Heart-Coloured Killer Ticket

1990

as Chuta Misora (voice)

Midoriyama High School, Koshien Edition (Movie)

1990

Milky Passion: Dougenzaka - The Castle of Love

1990

as Ootsuki (voice)

TOKYO CITY Melhen 2

1990

Marina the Manga Artist Goes to Camelot

1990

as Bijomaru Shizuka (voice)

1.0

Goddamn

1990

as Hans Schultz

Cinderella Express

1989

as Yuji Shimano

1.0

Demon Hunter Makaryūdo

1989

as Shou Kurogane (voice)

6.2

Hades Project: Zeorymer Extinction

1989

as Masato Akitsu / Masaki Kihara (voice)

Scarlet Demon

Angel Cop

as Tachihara (voice)

Balthus: Tia's Radiance

1988

as Eud (voice)

5.0

Kaze wo Nuke!

1988

Hades Project: Zeorymer Separation

1988

as Masato Akitsu (voice)

3.6

Zillion: Burning Night

as J.J. (voice)

Dragon Century

as Carmine (voice)

Sunlight All Around! Ka - su - mi: You Were in My Dreams

1988

as Reporter B (voice)

1.0

Campus Special Investigator Hikaruon

1987

as Hikaru Shihodo / Hikaruon (voice)

TO-Y

as Shouji (voice)

Maryuu Senki

The Samurai

as Takeshi Chimatsuri

3.8

Castle in the Sky

1986

as Additional Voices (voice)

8.0

Call Me Tonight

1986

as Hayata (voice)

4.3

Television (130)

My Ribdiculous Reincarnation

2026

7.0

PROJECT R.E.D.

2026

as GavarionTrigger / CosmoGavarion (voice)

I Have a Crush at Work

2025

as Pastor (voice)

7.2

Mashin Creator Wataru

as Mr. Liar (voice)

U Takes Terra

as Chongyue (Voice)

SANDA

as Hifumi Ōshibu (voice)

Ranma1/2

as Mousse (voice)

Kaiju No. 8

as Kaiju No. 11 (voice)

8.4

Good Bye, Dragon Life

as Dio (voice)

I Parry Everything

as Carew (voice)

Rurouni Kenshin

as Narration (voice)

The Most Heretical Last Boss Queen: From Villainess to Savior

2023

as Clark Darwin (voice)

PLUTO

as Sahad (voice)

HIGH CARD

as Norman Kingstat (voice)

6.8

Onimusha

2023

as Kojiro Sasaki (voice)

7.5

Avataro Sentai Donbrothers meets Kamen Rider Den-O: Aim for it! The Don-O

2022

as Momotaros (voice)

10.0

The Misfit of Demon King Academy

2020

as Ahide Alobo Agatze (voice)

8.4

Higurashi: When They Cry - NEW

2020

as Kyousuke Irie (voice)

7.4

Ascendance of a Bookworm

2019

as Justucs (voice)

8.1

Demon Slayer: Kimetsu no Yaiba

2019

as Muzan Kibutsuji (voice)

8.6

Star☆Twinkle PreCure

2019

as Toto Hagoromo (voice)

7.4

SAINT SEIYA: Knights of the Zodiac

2019

as Scorpio Milo (voice)

Sarazanmai

as Yuri Kamome

Golden Kamuy

as Kazuo Henmi (voice)

7.5

Pop Team Epic

2018

as Popuko (voice)

7.0

Saint Seiya: Saintia Sho

2018

as Scorpio Milo (voice)

7.6

The Ryuo's Work is Never Done!

2018

as Kiyotaki Kousuke (voice)

6.5

SWORD GAI: The Animation

2018

as Miura Takuma

6.8

THE REFLECTION

2017

as Michael Holden (voice)

5.2

The Laughing Salesman NEW

2017

as Shisao Kihara(Story2)

6.2

Mob Psycho 100

2016

as Morizo Ebihara (voice)

8.5

Showa Genroku Rakugo Shinju

2016

as Eisuke Higuchi (voice)

7.9

To Be Hero

2016

as Chinese Tohoku Muffler (voice)

6.0

Saint Seiya: Soul of Gold

2015

as Scorpio Milo (voice)

8.0

Space Dandy

2014

as Public Prosecutor (voice)

7.5

Cross Ange: Rondo of Angels and Dragons

2014

as Embryo (voice)

8.2

Gingitsune: Messenger Fox of the Gods

2013

as Tatsuo Saeki (voice)

7.7

Triple Combination: Transformers Go!

2013

as Gekisōmaru (voice)

8.0

声優戦隊ボイストーム7

2013

as (voice)

Glitter Force

as Hiroshi Hoshizora

Hunter x Hunter

as Wing (voice)

Guilty Crown

as Kurosu Ouma (voice)

7.3

Saiyuki Gaiden

2011

as Konzen Dōji (voice)

4.7

機動戦士ガンダムSEED HDリマスター

2011

as Rey Za Burrel (voice)

Katanagatari

2010

as Umigame Maniwa (voice)

7.2

Psychic Detective Yakumo

2010

as Isshin Saitō

6.4

Cookin' Idol Ai! Mai! Main!

2009

as 柊修

8.0

Dogs: Bullets & Carnage

2009

as Ernst Rammsteiner

6.4

A Certain Magical Index

2008

as Aleister Crowley (voice)

7.5

Sekirei

2008

as Hiroto Minaka

7.2

Blade of the Immortal

2008

as Souri (voice)

6.2

Kamen Rider Den-O: Imagin Anime

2008

as Momotaros (voice)

6.0

Momotaros' King of the Crimson Castle

2008

as Momotaros (voice)

Naruto Shippūden

2007

as Iruka Umino (voice)

8.5

Kamen Rider Den-O

2007

as Momotaros (voice)

9.5

Saiyuki Reload: Burial

2007

as Genjō Sanzō (voice)

5.6

Higurashi: When They Cry

2006

as Kyousuke Irie (voice)

7.7

Shonen Onmyouji

2006

7.0

MÄR: Märchen Awakens Romance

as Danna Toramizu

Samurai Champloo

as Yamane (voice)

My-Hime

as Reito Kanzaki (voice)

6.6

Paranoia Agent

2004

as Mitsuhiro Maniwa (voice)

7.9

Gin'yuu Mokushiroku Meine Liebe

2004

as Ludwig Herzog von Mohn nahe Liechtenstein (voice)

4.5

Requiem from the Darkness

2003

as Momosuke Yamaoka (voice)

6.2

Naruto

2002

as Iruka Umino (voice)

8.4

Mobile Suit Gundam SEED

2002

as Rey Za Burrel (voice)

7.6

Mobile Suit Gundam SEED

2002

as Rau Le Creuset (voice)

7.6

Saint Seiya: The Hades Chapter

2002

as Milo (voice)

7.9

Mirage of Blaze

2002

as Takaya Ohgi (voice)

5.1

Angelique: Twin Collection

2002

as Luva (voice)

Saiyuki

2000

as Konzen Douji (voice)

6.2

Descendants of Darkness

2000

as Yutaka Watari (voice)

5.8

Harlock Saga - The Ring of the Nibelungs

Pet Shop of Horrors

as Count D (voice)

Reign: The Conqueror

as Alexander (voice)

Bビーダマン爆外伝V

as Kurobon

TRIGUN

1998

as Legato Bluesummers (voice)

8.1

Outlaw Star

1998

as Fred (voice)

7.5

Bomberman B-Daman Bakugaiden

1998

6.0

Nightwalker: The Midnight Detective

1998

as Bait

6.1

Hakugei: Legend of the Moby Dick

1997

8.5

Hyper Police

1997

as Sakunoshin Chikura

8.8

Dragoon

1997

as Rain Keeves Fearudo (voice)

4.5

The Legend of Zorro

1996

as Don Diego de la Vega / Zorro

6.9

B'T X

1996

as Quatro (voice)

8.3

Special Duty Combat Unit Shinesman

1996

as Shujin Seki (voice)

Mobile Suit Gundam Wing

1995

as Duo Maxwell (voice)

7.9

Mobile Suit Gundam Wing

1995

as Duo Maxwell (voice)

7.9

Udauda Yatteru Hima wa Nee!

1995

as (voice)

The Irresponsible Captain Tylor OVA

as Dom (voice)

Natsuki Crisis

as Kyōtarō Himuro

Wild 7

as Dairoku Hiba

Ninja Boy Rantaro

as Hansuke Doi

Black Jack

as Tokio Umetani (voice)

6.5

Aoki Densetsu Shoot!

1993

as Akihiko Himuro (voice)

7.1

The Irresponsible Captain Tylor

1993

as Ru Baraba Dom

7.7

Please Save My Earth

1993

as Mikuro Yakushimaru (voice)

Bastard!!

Ai no Kusabi

as Riki (voice)

D-1 Devastator

as 谷田辺了

Princess Army: Wedding Combat

1992

as Yuuya Hashiba

7.0

Future GPX Cyber Formula

1991

as Jotaro Kaga

8.8

Here Is Greenwood

1991

as Shinobu Tezuka (voice)

7.3

Blazing Transfer Student

1991

as Noboru Takizawa (voice)

6.7

Legend of Heavenly Sphere Shurato: The Secret Feud of Creation

as Shurato

Detonator Orgun

as Knock

Akai Hayate

Izumo

as Izumo (voice)

Nyūin Bokki Monogatari Ojiji ni!

1991

Nadia: The Secret of Blue Water

1990

as Fejto (voice)

7.5

Hakkenden: Legend of the Dog Warriors

1990

as Shino Inuzuka (voice)

Goddamn

as Hans Schultz

Ranma ½

as Mousse (voice)

Yawara!

as Matsuda / Eiji (voice)

Madö King Granzört

as Grunwald

Shurato

as Shurato

Dash! Yonkuro

Nightsong of Splendor

1989

5.0

Star Cat Full House

1989

Darkness of the Sea, Shadow of the Moon

1989

as Katsuyuki Touma (voice)

6.0

Hades Project Zeorymer

1988

as (voice)

6.0

Armor Hunter Merowlink

1988

as PFC Cepres

6.0

1988

as Gunma Akagi (voice)

Spirit Warrior

as Kujaku (voice)

Dragon Century

Zillion

as JJ

Evil Dragon War Chronicles

1987

as 錦繍 (voice)

5.0

Magical Emi, the Magic Star

1985

as Customer A (voice)

Kamen Rider

as Momotaros (voice)

Kamen Rider

as Kamen Rider Den-O (voice)

6.4

Crew (3)

Movies (2)

Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship

2009

Theme Song Performance

6.1

Kamen Rider Den-O & Kiva: Climax Deka

2008

Theme Song Performance

8.0

Television (1)

Angelique: Twin Collection

2002

Theme Song Performance