Gaku Oshida
Biography
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".
Also Known As
Movie Appearances

Kamen Rider Zi-O: Special Event
as Geiz Myoukouin
2019

Super Juvenile Detective Team NEO Beginning
2019

Honey Lemon Soda
as Student
2021

Suiheisen
2024

Samurai Sensei
as Toranosuke
2018

Kamen Rider Heisei Generations Forever
as Geiz Myoukouin / Kamen Rider Geiz
2018

Kamen Rider Zi-O the Movie: Over Quartzer
as Geiz Myoukouin / Kamen Rider Geiz
2019

Kamen Rider BiBiBi no Bibill Geiz
as Geiz Myokoin / Kamen Rider Geiz
2019

Kamen Rider Zi-O NEXT TIME: Geiz, Majesty
as Geiz Myokoin / Kamen Rider Geiz
2020

Kamen Rider Reiwa: The First Generation
as Geiz Myoukouin / Kamen Rider Geiz
2019

Kamen Rider Zi-O: Final Stage
as Geiz Myokoin / Kamen Rider Geiz
2020

Grim Reaper Case Book
as Ippachi
2020

Fast Break
as Satoru Saiga
2024
仮面ライダー 令和 ザ・ファースト・ジェネレーション
TBA
TV Appearances

In-House Marriage Honey
as Yamagata Yuki
2020

RIDER TIME: Kamen Rider Ryuki
as Geiz Myokouin / Kamen Rider Geiz
2019

RIDER TIME: Kamen Rider Zi-O VS Decade
as Geiz Myoukouin / Kamen Rider Gates
2021

The 8.2 Second Rule
as Shuto Miyagi
2022

Marriage with Me? Seriously?
2023

Mr. Unlucky Has No Choice but to Kiss!
as Saku Tsujimura
2022

Kamen Rider
as Geiz Myoukouin / Kamen Rider Geiz
1971

CSI: Crime Scene Talks
2011

Sugar Sugar Honey
as Akanishi Sota
2024

Unnatural
as 澤田・松本
2018

Stage Play "Journey to the West"
2024

Kamen Rider Zi-O
as Geiz Myoukouin/Kamen Rider Geiz
2018
