Ryotaro Okiayu
Ryotaro Okiayu is an actor, born 1969.
Listen for the register. Okiayu works in a low, level, faintly aristocratic voice, and his signature roles all share one quality: men who treat raising their voice as a defeat. Byakuya Kuchiki in Bleach, Treize Khushrenada in Mobile Suit Gundam Wing, Kunimitsu Tezuka in The Prince of Tennis and Kokushibo in Demon Slayer are the same instrument tuned to different kinds of certainty, and the discipline it takes to hold a scene at that volume is easy to underestimate.
The range shows up when he abandons it. Akio Furukawa in Clannad is loud, teasing and deliberately unserious, and it is genuinely hard to hear the same actor. Scar in the 2003 Fullmetal Alchemist is grief with the temperature turned down. He plays both Kaku and Borsalino across the One Piece franchise, Enrico in Hellsing, Helbram in The Seven Deadly Sins, Ebisu in Noragami, and the catalog lists more than two hundred credits for him, which is a career built on being requested by name.
He is affiliated with Aoni Production, sang in a group called Entertainment Music Unit between 1995 and 2000, and is married to the voice actress Ai Maeda. Outside anime, he is Zero in Mega Man X and Alucard in Castlevania, and he is the standing Japanese dub voice for Scott Foley, Taylor Kitsch, Lin Gengxin and Stephen Fung, which is its own kind of steady employment.
Movies (72)
- Demon Slayer: Kimetsu no Yaiba Infinity Castle (2025)
- One Piece Film Red (2022)
- Detective Conan: Black Iron Submarine (2023)
- Detective Conan: Crossroad in the Ancient Capital (2003)
- Detective Conan: Dimensional Sniper (2014)
- Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!! (2013)
- Detective Conan: Private Eye in the Distant Sea (2013)
- Detective Conan: The Scarlet Bullet (2021)
- Detective Conan: The Raven Chaser (2009)
- Bleach the Movie: Hell Verse (2010)
- The Garden of Sinners: Murder Speculation Part B (2009)
- Bleach the Movie: The DiamondDust Rebellion (2007)
- TEKKEN: Blood Vengeance (2011)
- Case Closed: The Crimson Love Letter (2017)
- Me & Roboco: The Movie (2025)
- Fate/Grand Order Final Singularity – Grand Temple of Time: Solomon (2021)
- Overlord: The Undead King (2017)
- Bleach the Movie: Fade to Black (2008)
- One Piece: Stampede (2019)
- Detective Conan: The Story of Ai Haibara: Black Iron Mystery Train (2023)
- Fate/Grand Order the Movie: Divine Realm of the Round Table: Camelot 1 Wandering; Agateram (2020)
- Slam Dunk 2: National Tournement (1994)
- Mobile Suit Gundam 00 Special Edition II: End of World (2009)
- Fate/Grand Order the Movie: Divine Realm of the Round Table: Camelot 2 Paladin; Agateram (2021)
- Slam Dunk 3: Crisis of Shohoku School (1995)
- Air: The Motion Picture (2005)
- Bloody Escape: Bats Out of Hell (2024)
- The Prince of Tennis: Two Samurais, The First Game (2005)
- Clannad: The Motion Picture (2007)
- Detective Conan: The Scarlet School Trip (2019)
TV (135)
- Gravitation (2000)
- Bleach (2004)
- The Misfit of Demon King Academy (2020)
- One Piece (1999)
- The Fragrant Flower Blooms with Dignity (2025)
- Date A Live (2013)
- Rurouni Kenshin (2023)
- Blue Orchestra (2023)
- My Happy Marriage (2023)
- The Prince of Tennis (2001)
- The Irregular at Magic High School (2014)
- Clannad (2007)
- Saint Seiya: The Hades Chapter (2002)
- Toilet-Bound Hanako-kun (2020)
- Toriko (2011)
- Ya Boy Kongming! (2022)
- Fate/Zero (2011)
- Fullmetal Alchemist (2003)
- Revolutionary Girl Utena (1997)
- Noragami (2014)
- Daa! Daa! Daa! UFO Baby (2000)
- .hack (2002)
- Rewrite (2016)
- Hyouka (2012)
- Mahou Sentai Magiranger (2005)
- Love Hina (2000)
- Masamune-kun's Revenge (2017)
- KOWLOON GENERIC ROMANCE (2025)
- Tokyo Encounter (2010)
- Godzilla Singular Point (2021)
Where to start with Ryotaro Okiayu
Byakuya Kuchiki in Bleach is the calling card, and the fastest way to hear what makes him castable: a character whose entire personality is refusal to be hurried, played by someone who never hurries.
Then break the pattern deliberately. Clannad is the one to watch second, because Akio Furukawa is loud, warm and ridiculous and sounds like a different performer. Mobile Suit Gundam Wing has the most florid version of the aristocrat, Fullmetal Alchemist the most wounded, and Demon Slayer: Kimetsu no Yaiba Infinity Castle the most recent, where the same measured delivery is used to make a demon feel geological. For the long-haul stuff, One Piece gives him two distinct roles across decades, and The Prince of Tennis is the long-running one, the same instrument in a school uniform.
The composed antagonists
The register he is hired for above all others: low, controlled and entirely certain of itself. Byakuya in Bleach is the definitive version and Treize in Gundam Wing is the earlier prototype.
The long-running series
Decades of work in the biggest ongoing productions in the medium, usually turning up as a figure of authority the young cast has to get past before the plot can continue.
The Detective Conan films
A remarkable run in the annual Conan features, mostly as Subaru Okiya and Fumimaro Ayanokoji. This is the volume end of a Japanese voice career and it is where the steady work actually is.
The recent work
Kokushibo in Demon Slayer is the widest-reaching recent role, and the rest is a steady run of supporting parts in the larger productions of the last few years.