Keisuke Tsuchiya (土屋 圭輔 Tsuchiya Keisuke) is a Japanese actor who played Kazu of the Heavenly Time Star (KirinRanger) in Gosei Sentai Dairanger.
He has an identical twin brother, Daisuke Tsuchiya, who is also an actor, playing an evil copy of KirinRanger in episode 25. This was mirrored in the Metal Hero series, Juukou B-Fighter, where Daisuke Tsuchiya played the protagonist Takuya Kai/Blue Beet, while Keisuke played his evil clone Shadow/Black Beet.
In the next series, Ninja Sentai Kakuranger, Keisuke and Daisuke Tsuchiya played Jirou and Tarou respectively.
In GoGo Sentai Boukenger he appeared as Natsuki's father
Keisuke, alongside his co-star Ei Hamura, who played Shoji of the Heavenly Gravity Star (TenmaRanger), reprised his role in a cameo in the finale of Kaizoku Sentai Gokaiger.