Toshihiko Seki
Acting
Born 1962-06-11 · Sendai, Japon
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.
Known for
Demon Slayer: Kimetsu no Yaiba Infinity Castle
2025 · Movie
Castle in the Sky
1986 · Movie
Black Clover: Sword of the Wizard King
2023 · Movie
Ninja Scroll
1993 · Movie
Demon Slayer: Kimetsu no Yaiba - Sibling's Bond
2019 · Movie
My Hero Academia: World Heroes' Mission
2021 · Movie
Ranma 1/2 the Movie 2: Nihao My Concubine
1992 · Movie
Road to Ninja: Naruto the Movie
2012 · Movie
Demon Slayer: Kimetsu no Yaiba - Asakusa Arc
2022 · Movie
Mazinger Z: Infinity
2017 · Movie
Ranma 1/2 the Movie: Big Trouble in Nekonron, China
1991 · Movie
Detective Conan: Quarter of Silence
2011 · Movie
Naruto OVA 12: The Day Naruto Became Hokage
2016 · Movie
Hunter x Hunter: The Last Mission
2013 · Movie
Gundam Wing: The Endless Waltz
1998 · Movie
Mobile Suit Gundam: The Origin II - Artesia's Sorrow
2015 · Movie
Ocean Waves
1993 · Movie
The Birth of Kitaro: The Mystery of GeGeGe
2023 · Movie
Kamen Rider Den-O & Kiva: Climax Deka
2008 · Movie
Kamen Rider Den-O The Movie: I'm Born!
2007 · Movie
TO-Y
1987 · Movie
Kamen Rider × Super Sentai: Super Hero Wars
2012 · Movie
Reign: The Conqueror Movie
2000 · Movie
Higurashi: When They Cry - Outbreak
2013 · Movie
X
1996 · Movie
Yawara! Atlanta Special
1996 · Movie
Nintama Rantarō: Invincible Master of the Dokutake Ninja
2024 · Movie
Farewell Kamen Rider Den-O: Final Countdown
2008 · Movie
Kamen Rider Kiva: King of the Castle in the Demon World
2008 · Movie
Angel Cop
1989 · Movie
Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai
2014 · Movie
Kamen Rider Den-O: The Birth of Pretty Den-O!
2020 · Movie
Kamen Rider Decade: All Riders vs. Dai-Shocker
2009 · Movie
Zillion: Burning Night
1988 · Movie
Kamen Rider Heisei Generations Forever
2018 · Movie
OOO, Den-O, All Riders: Let's Go Kamen Riders
2011 · Movie
Campus Special Investigator Hikaruon
1987 · Movie
Kamen Rider × Kamen Rider W & Decade: Movie War 2010
2009 · Movie
Love Wedge 2
1994 · Movie
Love Wedge 1
1992 · Movie
Download: Devil's Circuit
1992 · Movie
Kamen Rider Saber + Kikai Sentai Zenkaiger: Super Hero Chronicles
2021 · Movie
Dorami-chan: A Blue Straw Hat
1994 · Movie
Super Kamen Rider Den-O & Decade NEO Generations: The Onigashima Warship
2009 · Movie
Yuukan Club
1991 · Movie
Calico Cat Holmes and the Lord of the Haunted Castle
1992 · Movie
Bio Hunter
1995 · Movie
Dragon Century
1988 · Movie
I'm Not an Angel!
1994 · Movie
Super Space Sheriff Gavan Infinity
— · Movie
Goddamn
1990 · Movie
Chō Uchū Keiji Gyaban Infiniti Taiyō ga Naita Hi
2026 · Movie
10th Anniversary Project: Masked Rider LIVE & SHOW
2009 · Movie
Momotaros' Summer Vacation
2007 · Movie
Super Space Sheriff Gavan Infinity: Jo-Chaku Course
2026 · Movie
Inferious Interplanetary War Chronicle - Condition Green
1991 · Movie
Ultraman Super Fighter Legend
1996 · Movie
Nadia: The Secret of Blue Water - Nautilus Story II
1991 · Movie
Kamen Rider × Kamen Rider × Kamen Rider The Movie Cho-Den-O Trilogy Movie Released Memorial Special Stage: Imagin Super Climax Tour 2010
2010 · Movie
Violinist of Hamelin: The Movie
1996 · Movie