Acting · Nara Prefecture, Japan · Born July 8, 1967
Takeharu Oonishi (大西 健晴, Ōnishi Takeharu, born July 8, 1967) is a Japanese seiyū (voice actor) and stage actor from Nara Prefecture. He is affiliated with Arts Vision and is a founding member of the theater company Akapera. He speaks the Kansai dialect. He is married to voice actress Masayo Kurata (倉田 雅世).
TVYAIBA: Samurai Legend
2025
as Gerozaemon Geroda (voice)
TVThe Fable
2024
as Kenjiro Takoda (voice)
TVKaitou Sentai Lupinranger vs. Keisatsu Sentai Patranger
2018
as Kunks Butylmercaptan (voice)
MovieCase Closed: The Crimson Love Letter
2017
as Producer (voice)
MovieMobile Suit Gundam: The Origin IV – Eve of Destiny
2016
as Anaheim Electronics Plant Manager (voice)
TVParasyte -the maxim-
2014
as Ancient Languages Teacher (voice)
TVTokumei Sentai Go-Busters
2012
as Tireloid (voice)
TVHunter x Hunter
2011
as Cherry (voice)
MovieAtashin'chi: The 3D Movie
2010
as Shikai (voice)
MovieGintama: The Movie
2010
as Murata Tetsuya (voice)
TVKekkaishi
2006
as Madarao (voice)
TVPururun! Shizuku-chan
2006
as Ametarou (voice)
TVIntrigue in the Bakumatsu – Irohanihoheto
2006
as Kawai Tsuginosuke
TVDeath Note
2006
as Gukku (voice)
TVGuyver: The Bioboosted Armor
2005
as Toshiaki Hayami / Bio-Freezer (voice)
MovieCrayon Shin-chan: Fierceness That Invites Storm! Yakiniku Road of Honor
2003
as Taicho (voice)
MovieThe Boy and the Sea Turtle
2002
as Man (voice)
TVAtashin'chi
2002
as Yamamoto (voice)
TVPuni Puni Poemy
2001
as Alien 2 (voice)
MovieCrayon Shin-chan: Explosion! The Hot Spring's Feel Good Final Battle
1999
as Employee (voice)
TVPopolocrois Monogatari
1998
as Gon
