Gaku Oshida is a Japanese actor and dancer who portrayed Geiz Myokoin/Kamen Rider Geiz in "Kamen Rider Zi-O". Until March 31, 2021, Oshida was affiliated with Ever Green Entertainment. In November of 2016, Oshida was the winner of the 29th Junon Super Boy Contest and attended the contest alongside contestants Hiroki Iijima and Ryutaro Okada. He made his first drama appearance in a live-action adaptation of the manga series "Inside Mari". In mid-2018, he was cast as Geiz Myokoin in "Kamen Rider Zi-O".
as Satoru Saiga
as Sahashi Tenma
as Shuto Miyagi
as Saku Tsujimura
as Student
as Geiz Myoukouin / Kamen Rider Gates
as Ippachi
as Geiz Myokoin / Kamen Rider Geiz
as Geiz Myokoin / Kamen Rider Geiz
as Yamagata Yuki
as Geiz Myoukouin / Kamen Rider Geiz
as Geiz Myoukouin
as Geiz Myokoin / Kamen Rider Geiz
as Geiz Myoukouin / Kamen Rider Geiz
as Geiz Myokouin / Kamen Rider Geiz
as Geiz Myoukouin / Kamen Rider Geiz
as Toranosuke
as Geiz Myoukouin / Kamen Rider Geiz
as Geiz Myoukouin
as 明光院盖茨
as 澤田・松本
as Geiz Myoukouin / Kamen Rider Geiz
as Acting Double