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Ryotaro Okiayu
ACTOR

Ryotaro Okiayu

Known for Demon Slayer: Kimetsu no Yaiba · One Piece · The Seven Deadly Sins

Snapshot 2026-10-15

Born
Nov 17, 1969
Birthplace
Kitakyushu, Fukuoka, Japan
Known For
Acting
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Known For

TVDemon Slayer: Kimetsu no Yaiba
Demon Slayer: Kimetsu no YaibaKokushibo (voice) · 2019
★ 8.6
TVOne Piece
One PieceKaku (voice) · 1999
★ 8.8
TVThe Seven Deadly Sins
The Seven Deadly SinsHelbram (voice) · 2014
★ 8.4
TVBleach
BleachByakuya Kuchki (voice) · 2004
★ 8.4
MOVIEDemon Slayer: Kimetsu no Yaiba Infinity Castle
Demon Slayer: Kimetsu no Yaiba Infinity CastleKokushibo (voice) · 2025
★ 8.8
TVBlack Clover
Black CloverGadjah (voice) · 2017
★ 8.5
TVFullmetal Alchemist
Fullmetal AlchemistScar (voice) · 2003
★ 8.2
TVSlam Dunk
Slam DunkHisashi Mitsui (voice) · 1993
★ 8.7

Filmography

Movies

Dark CatHyoi Kagezaki (voice)
1991
WizardryLifestealer 2 (voice)
1991
Kawaguchi Kaiji's 9 Love StoriesGang Member B (voice)
1993
I'm Not an Angel!Shuuichi Takigawa (voice)
1994
Slam Dunk 2: National TournementHisashi Mitsui (voice)
1994
Marmalade BoyYuu Matsuura (voice)
1995
Princess MinervaLinealter (voice)
1995
Slam Dunk 3: Crisis of Shohoku SchoolHisashi Mitsui (voice)
1995
Slam Dunk 4: Roar!! Basket Man SpiritHisashi Mitsui (voice)
1995
Hell Teacher NubeNube (voice)
1996
Hurricane Polymar: Holy BloodTakeshi Yoroi
1996
KI・ME・RAJay (voice)
1996
Nuumamonjaa: Time and Space AdventuresVillager 2 (voice)
1996
Fujimi Block No. 2 Symphony OrchestraYuuki Morimura
1997
Hell Teacher Nube: At 0 a.m. Nube is Dead!!Nube (voice)
1997
Hell Teacher Nube: Summer Holiday of Fear! Legend of the Sea of SuspicionNube
1997
Ninja ResurrectionShiro Amakusa Tokisada
1997
Shin Shounan Bakusouzoku Arakure KNIGHT
1997
Voltage Fighter GowcaizerKyosuke Shigure
1997
Gekiganger 3 - The MovieCowboy Johnny (voice)
1998
Martian Successor Nadesico: The Motion Picture - Prince of DarknessNagare Akatsuki (voice)
1998
Graduation M: Our Carnival
1999
Yu☆Gi☆Oh!Hiroto Honda (voice)
1999
KiraraArthur Oshihara (voice)
2000
Di Gi Charat: A Trip To The PlanetTakurou Kimura (voice)
2001
Saiyuki: RequiemGo Dōgan (voice)
2001
Touch 5: Cross RoadAnnouncer (voice)
2001
Kinnikuman II Sei: Muscle Ninjin Soudatsu! Choujin Daisensou
2002
The Prince of Tennis: A Day on Survival MountainKunimitsu Tezuka (voice)
2002
Detective Conan: Crossroad in the Ancient CapitalFumimaro Ayanokoji (voice)
2003
Flame of Recca: Final BurningKurei (voice)
2004
Air: The Motion PictureBus driver (voice)
2005
Digimon X-EvolutionRhodoknightmon (voice)
2005
Mega Man Maverick Hunter X: The Day of ΣZero (voice)
2005
The Prince of Tennis: A Gift from AtobeKunimitsu Tezuka (voice)
2005
The Prince of Tennis: Two Samurais, The First GameKunimitsu Tezuka
2005
Bleach the Movie: The DiamondDust RebellionByakuya Kuchiki (voice)
2007
Clannad: The Motion PictureAkio Furukawa (voice)
2007
Bleach the Movie: Fade to BlackByakuya Kuchiki (voice)
2008
Metal Gear Solid 2: Digital Graphic NovelVamp (voice)
2008
The Garden of Sinners: Oblivion RecordingSatsuki Kurogiri (voice)
2008
Detective Conan: The Raven ChaserFumimaro Ayanokoji (voice)
2009
Mobile Suit Gundam 00 Special Edition II: End of WorldBring Stabity / Devine Nova (voice)
2009
Space Battleship Yamato ResurrectionJiro Shima (voice)
2009
The Garden of Sinners: A Study in Murder - Part 2Satsuki Kurogiri (voice)
2009
The Garden of Sinners: Remix -Gate of seventh heaven-Satsuki Kurogiri (voice)
2009
The Rebirth of BuddhaHarry Badson (voice)
2009
はじめましてトーマスシリーズ いつもなかよしふたごのきかんしゃDonarudo's Driver / Dagurasu's Driver (voice)
2009
Bleach the Movie: Hell VerseByakuya Kuchiki (voice)
2010
In a Distant Time 3: Neverending DestinyHakuryū (voice)
2010
Manager's LoveKazuhiko Ohtakara (voice)
2010
Mobile Suit Gundam 00 Special Edition III: Return The WorldDevine Nova (voice)
2010
Pretty Cure All Stars DX2: The Light of Hope - Protect the Rainbow Jewel!Mucardia (voice)
2010
Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck!Isaku Zenpouji (voice)
2011
TEKKEN: Blood VengeanceLee Chaolan (voice)
2011
The Prince of Tennis: Showdown in England's Tennis FortressKunimitsu Tezuka
2011
Toriko 3D Movie: Kaimaku! Gourmet Adventure!!Toriko (voice)
2011
Toriko X One Piece Collaboration Special
2012
A Farewell to WeaponsJunky
2013
Detective Conan: Private Eye in the Distant SeaFumimaro Ayanokoji (voice)
2013
Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!!Toriko (voice)
2013
Mikosuri Han Gekijou
2013
Vassalord.Charles Chrishunds
2013
Detective Conan: Dimensional SniperSubaru Okiya / Fumimaro Ayanokoji (voice)
2014
Come Back! Shuriken Sentai Ninninger: Ninnin Girls vs. Boys FINAL WARSMangetsu Kibaoni (voice)
2016
Case Closed: The Crimson Love LetterFumimaro Ayanokoji (voice)
2017
Overlord: The Undead KingTouch Me (voice)
2017
The Prince of Tennis: Best Games!! Tezuka vs Atobe
2018
Detective Conan: The Scarlet School TripFumimaro Ayanokoji (voice)
2019
One Piece: StampedeBorsalino (voice)
2019
The New Prince of Tennis BEST GAMES!! Fuli vs Kllrihara
2019
The Prince of Tennis: Best Games!! Inui & Kaido vs Shishido & Otori / Oishi & Kikumaru vs Niou & Yagyu
2019
Fate/Grand Order the Movie: Divine Realm of the Round Table: Camelot 1 Wandering; AgateramLancelot (voice)
2020
Michiru Rescue!
2020
Detective Conan: The Scarlet BulletSubaru Okiya (voice)
2021
Fate/Grand Order Final Singularity – Grand Temple of Time: SolomonRomulus (voice)
2021
Fate/Grand Order the Movie: Divine Realm of the Round Table: Camelot 2 Paladin; AgateramLancelot (voice)
2021
Free! the Final Stroke the First VolumeKiyohumi Haishima (voice)
2021
Ryoma! The Prince of TennisKunimitsu Tezuka (voice)
2021
The Laws of the Universe: The Age of Elohim
2021
Detective Conan: Kaiju Gomera vs. Kamen YaibaFumimaro Ayanokoji (voice)
2022
Free! the Final Stroke the Second VolumeKiyohumi Haishima (voice)
2022
One Piece Film RedBorsalino (voice)
2022
Pointy-Headed Gonta: The Story of the Two-Named Dog in the Fukushima DisasterIshihara (voice)
2022
Detective Conan: Black Iron SubmarineSubaru Okiya (voice)
2023
Detective Conan: The Story of Ai Haibara: Black Iron Mystery TrainSubaru Okiya (voice)
2023
Bloody Escape: Bats Out of HellZesh (voice)
2024
Kamen Rider Gotchard Final Episode: You and Me, We've Got CHEMY×STORY - Director's Cut VersionDonposeidon, Dreadriver (voice)
2024
Nintama Rantarō: Invincible Master of the Dokutake NinjaIsaku Zenpoji (voice)
2024
Ya Boy Kongming! Road to Summer SoniaZhuge Kongming (voice)
2024
Demon Slayer: Kimetsu no Yaiba Infinity CastleKokushibo (voice)
2025
Me & Roboco: The MovieGorilla Gachi (voice)
2025
Bleach: Thousand-Year Blood War - The CalamityByakuya Kuchiki (voice)
2026

Television

Doomed MegalopolisSoothsayer · 4 eps
1991
Macross II: Lovers AgainIngues · 6 eps
1992
Please Save My EarthIssei Nishikori (voice) · 6 eps
1993
Shippuu! Iron LeaguerMach Windy · 52 eps
1993
Slam DunkHisashi Mitsui (voice) · 101 eps
1993
Brave Police J-DeckerMacLane · 48 eps
1994
KizunaSamejima Ranmaru · 3 eps
1994
Lord of Lords Ryu Knight52 eps
1994
Magic Knight RayearthInouva (voice) · 20 eps
1994
Marmalade BoyYuu Matsuura (voice) · 76 eps
1994
Seven Cities Story: Arctic FrontNicholas Bloom (voice) · 2 eps
1994
El-Hazard: The Magnificent WorldKatsuhiko Jinnai · 24 eps
1995
Mobile Suit Gundam WingTreize Khushrenada (voice) · 49 eps
1995
Apocalypse ZeroDokumaguro / Hoshino (voice) · 2 eps
1996
Baby and MeSeiichi Kimura (voice) · 35 eps
1996
Fire EmblemAbel (voice) · 2 eps
1996
Hell Teacher NubeMeisuke 'Nuubee' Nueno (voice) · 49 eps
1996
Marriage: KekkonShimon Takagi (voice) · 2 eps
1996
Martian Successor NadesicoNagare Akatsuki (voice) · 26 eps
1996
New Hurricane PolymarTakeshi Yoroi (voice) · 2 eps
1996
Burn-Up Excess13 eps
1997
Flame of ReccaKurei · 42 eps
1997
Revolutionary Girl UtenaTatsuya Kazami (voice) · 39 eps
1997
Vampire Princess MiyuGarline (voice) · 26 eps
1997
Glass Mask: The Girl of a Thousand MasksYuu Sakurakouji (voice) · 3 eps
1998
Hell Teacher Nube OVA3 eps
1998
Kashou no Tsuki: Aki Kyougen2 eps
1998
Knight HuntersBrad Crawford (voice) · 38 eps
1998
Let's Nupu NupuTakao-san (voice) · 16 eps
1998
Mamotte Shugogetten30 eps
1998
Ninja ResurrectionShiro Amakusa Toisada (voice) · 2 eps
1998
OrphenHartia Allenford (voice) · 47 eps
1998
Yu-Gi-Oh!Hiroto Honda (voice) · 27 eps
1998
10 Tokyo Warriors6 eps
1999
Angel LinksCyrus (voice) · 13 eps
1999
Di Gi CharatTakurou Kimura (voice) · 7 eps
1999
Excel SagaToru Watanabe (voice) · 26 eps
1999
Gokudo26 eps
1999
Gravitation: Lyrics of LoveClaude K. Winchester · 2 eps
1999
Jubei-chan the Ninja Girl: Secret of the Lovely EyepatchKoinosuke Odago · 26 eps
1999
One PieceKaku (voice) · 24 eps
1999
One PieceKizaru (voice) · 1 eps
1999
One PieceKaku / Borsalino (voice) · 3 eps
1999
Sotsugyou M: Ore-tachi no Carnival2 eps
1999
Daa! Daa! Daa! UFO BabyTeru (voice) · 78 eps
2000
GravitationK (voice) · 13 eps
2000
Legendary Gambler TetsuyaTetsuya Asada (voice) · 20 eps
2000
Love HinaKentaro Sakata (voice) · 10 eps
2000
Mirai Sentai TimerangerComputer Engineer Gate (voice) · 1 eps
2000
éX-DriverKeyne Tokioka · 6 eps
2000
Fruits BasketShigure Sohma (voice) · 26 eps
2001
Haré+GuuAsio (voice) · 52 eps
2001
HellsingEnrico (voice) · 1 eps
2001
The Prince of TennisKunimitsu Tezuka (voice) · 26 eps
2001
.hackSakisaka (voice) · 26 eps
2002
DaigunderBone Rex · 39 eps
2002
Mirage of BlazeNobunaga Oda (voice) · 1 eps
2002
Saint Seiya: The Hades ChapterSaga (voice) · 11 eps
2002
Saint Seiya: The Hades ChapterCube (voice) · 1 eps
2002
Saint Seiya: The Hades ChapterKanon (voice) · 13 eps
2002
Shrine of the Morning MistMasashi Kusugi · 26 eps
2002
Shrine of the Morning MistMichimune Ayatachi · 26 eps
2002
Ultimate Muscle: The Kinnikuman LegacyKevin Mask · 77 eps
2002
D.N.AngelDark Mousy (voice) · 26 eps
2003
Fullmetal AlchemistScar (voice) · 51 eps
2003
Shutsugeki! Machine Robo RescueKohshiro Sasaki (voice) · 53 eps
2003
Submarine 707RPKN Chairman (Voice) · 2 eps
2003
BleachByakuya Kuchki (voice) · 366 eps
2004
Great Yamato No. Zero5 eps
2004
Haruka: Beyond the Stream of Time – A Tale of the Eight Guardians26 eps
2004
Ring Ni KakeroKenzaki Jun · 36 eps
2004
Elemental GeladeWolx Hound (voice) · 26 eps
2005
Mahou Sentai MagirangerCyclops (Voice) · 49 eps
2005
Onegai My MelodyKeiichi Hiiragi (voice) · 52 eps
2005
Super Robot Wars Original Generation: The AnimationRaidiese Fujiwara Branstein (voice) · 3 eps
2005
Fist of the Blue SkyCharles de Guise (voice) · 2 eps
2006
Gakuen HeavenKoji Shinomiya (voice) · 13 eps
2006
Marginal Prince: Gekkeiju no Ouji-tachiJoshua Grant (voice) · 13 eps
2006
Super Robot Wars: Original Generation - Divine WarsBranstein F. Raidiese (voice) · 51 eps
2006
The Prince of Tennis: The National Tournament手冢国光 · 26 eps
2006
A Foreign Love AffairRyuuji Gondou · 2 eps
2007
ClannadAkio Furukawa (voice) · 35 eps
2007
No MoneGion Toranosuke · 1 eps
2007
Romeo × JulietTybalt (voice) · 24 eps
2007
Shining Tears X WindHaruto Saionji · 13 eps
2007
Junjo RomanticaKaoru Asahina · 36 eps
2008
Monochrome FactorHomurabi · 24 eps
2008
Nabari no OuKotarou Fuuma (voice) · 26 eps
2008
Akikan!Hidehiko Otoya (voice) · 12 eps
2009
Animal Detectives KiruminzooKyousuke Futatsugi · 50 eps
2009
Miracle Train: Welcome to the Oedo LineRintaro Shunjuku (voice) · 13 eps
2009
Tayutama: Kiss on my DeitySankuro Kaname · 12 eps
2009
The Prince of Tennis Another StoryKunimitsu Tezuka (voice) · 8 eps
2009
The Sacred BlacksmithSiegfried (voice) · 12 eps
2009
Giant KillingShigeyuki Murakoshi (voice) · 26 eps
2010
HeartCatch PreCure!Kenji Ban (voice) · 49 eps
2010
KatanagatariHōō Maniwa (voice) · 12 eps
2010
Tokyo Encounter2 eps
2010
A Thirty-Year Old's Health and Physical EducationDaigorou · 12 eps
2011
Appleseed XIIIArchedes (voice) · 13 eps
2011
Fate/ZeroBerserker · 25 eps
2011
TorikoToriko (voice) · 147 eps
2011
Brave 10Juuzou Kakei (voice) · 12 eps
2012
HyoukaMasashi Tougaito (voice) · 2 eps
2012
Recorder and Randsell38 eps
2012
The Prince of Tennis IIKunimitsu Tezuka (voice) · 13 eps
2012
Arpeggio of Blue Steel: Ars NovaKamikage Ryuujirou (voice) · 12 eps
2013
Date A LiveIsaac Ray Pelham Westcott (voice) · 22 eps
2013
DD Fist of the North StarShin (voice) · 62 eps
2013
Love Stage!!Seiya Sena (voice) · 4 eps
2014
Mobile Suit Gundam-san13 eps
2014
New Prince of Tennis OVA vs. Genius10Kunimitsu Tezuka (voice) · 10 eps
2014
NoragamiEbisu (voice) · 7 eps
2014
Strange+24 eps
2014
The Irregular at Magic High SchoolKokonoe Yakumo (voice) · 8 eps
2014
The Seven Deadly SinsHelbram (voice) · 10 eps
2014
The Seven Deadly SinsLove Helm (voice) · 1 eps
2014
Fafner ExodusWalter Bargest (voice) · 13 eps
2015
KagewaniMasaki Kimura (voice) · 18 eps
2015
Million DollManzai Comedian (voice) · 1 eps
2015
Saint Seiya: Soul of GoldGemini Saga (voice) · 13 eps
2015
Shuriken Sentai NinningerMangetsu Kibaoni · 4 eps
2015
Izetta: The Last WitchHermann (voice) · 12 eps
2016
Prince of Stride: Alternative12 eps
2016
RewriteSekime (voice) · 3 eps
2016
SUPER LOVERSShirou Takamura (voice) · 20 eps
2016
Black CloverGadjah (voice) · 1 eps
2017
Clean Freak! Aoyama-kunAoyama-kun (voice) · 12 eps
2017
Fate/ApocryphaLancer of Black : Vald III (voice) · 25 eps
2017
Konohana KitanGod of Entertainment (voice) · 1 eps
2017
Masamune-kun's RevengeEiji (voice) · 3 eps
2017
Asobi Asobase - workshop of fun -Maeda (voice) · 6 eps
2018
Gakuen Basara: Samurai High SchoolToyotomi Hideyoshi (voice) · 12 eps
2018
How Not to Summon a Demon LordEmile Bichelberger (voice) · 12 eps
2018
Kaitou Sentai Lupinranger vs. Keisatsu Sentai PatrangerNero Kilner (voice) · 1 eps
2018
Saint Seiya: Saintia ShoGemini Saga (voice) · 10 eps
2018
ACTORS: Songs ConnectionKadonooji Satsuma (voice) · 12 eps
2019
BabylonKaika Itsuki (voice) · 12 eps
2019
Demon Slayer: Kimetsu no YaibaKokushibo (voice) · 1 eps
2019
SAINT SEIYA: Knights of the ZodiacThe Pope (voice) · 1 eps
2019
The Price of SmilesIzana Langford (voice) · 12 eps
2019
A3!Reni Kamikizaka (voice) · 1 eps
2020
King's Raid: Successors of the WillDominicus (voice) · 26 eps
2020
Science Fell in Love, So I Tried to Prove ItIkeda (voice) · 24 eps
2020
The Misfit of Demon King AcademyIvis Necron (voice) · 5 eps
2020
The Misfit of Demon King AcademyIvis Necron (cat form) (voice) · 2 eps
2020
Toilet-Bound Hanako-kunKodama (voice) · 12 eps
2020
BACK ARROWKai Rhodan (voice) · 24 eps
2021
Godzilla Singular PointBearach 'BB' Byrne (voice) · 10 eps
2021
The Saint's Magic Power Is OmnipotentJosef Hawke (voice) · 1 eps
2021
Me & RobocoGorilla Gachi (voice) · 28 eps
2022
The Prince of Tennis II U-17 WORLD CUPKunimitsu Tezuka (voice) · 39 eps
2022
Ya Boy Kongming!Zhuge Kongming (voice) · 12 eps
2022
Ania KingdomLeonie (voice) · 39 eps
2023
Blue OrchestraRyuji Aono (voice) · 8 eps
2023
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, TooSage (voice) · 1 eps
2023
I'm Giving the Disgraced Noble Lady I Rescued a Crash Course in NaughtinessGosetsu (voice) · 12 eps
2023
Junji Ito Maniac: Japanese Tales of the MacabreSonohara (voice) · 1 eps
2023
My Happy MarriageTadakiyo Kudo (voice) · 6 eps
2023
Pokémon HorizonsHassaku (voice) · 2 eps
2023
Rurouni KenshinHan'nya (voice) · 8 eps
2023
The Tale of OutcastsGrand Master (voice) · 13 eps
2023
A Nobody's Way Up to an Exploration HeroBerlia (big) (voice) · 12 eps
2024
Sasaki and PeepsAkutsu (voice) · 24 eps
2024
The Foolish Angel Dances with the DevilZwei (voice) · 5 eps
2024
Yakuza Fiancé: Raise wa Tanin ga IiHishiba Akime (voice) · 2 eps
2024
Hell Teacher: Jigoku Sensei NubeMeisuke Nueno (voice) · 26 eps
2025
KOWLOON GENERIC ROMANCEMiyuki Hebinuma (voice) · 13 eps
2025
The Fragrant Flower Blooms with DignityKeiichiro Tsumugi (voice) · 2 eps
2025
Akane-banashiShomei Tsubakiya (voice) · 1 eps
2026
DandivineDaigo Shijima (voice) · 12 eps
2026

Photos

Ryotaro Okiayu photo
Ryotaro Okiayu photo
Ryotaro Okiayu photo
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