Actor
Gaku Oshida
April 9, 1997 · Yokosuka, Kanagawa, Japan
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".
Often works with
So Okuno
8 titles together
Kamen Rider Heisei Generations Forever, Cosmetic Playlover, Kamen Rider Zi-O the Movie: Over Quartzer
Shieri Ohata
6 titles together
Kamen Rider Heisei Generations Forever, Kamen Rider Zi-O the Movie: Over Quartzer, Kamen Rider Zi-O NEXT TIME: Geiz, Majesty
Keisuke Watanabe
6 titles together
Kamen Rider Heisei Generations Forever, Kamen Rider Zi-O the Movie: Over Quartzer, Kamen Rider Zi-O NEXT TIME: Geiz, Majesty
Katsuhisa Namase
3 titles together
Kamen Rider Heisei Generations Forever, Kamen Rider Zi-O the Movie: Over Quartzer, Kamen Rider Zi-O
Rikiya Koyama
3 titles together
Kamen Rider Zi-O the Movie: Over Quartzer, RIDER TIME: Kamen Rider Zi-O VS Decade -7 of Zi-O!-, Kamen Rider Zi-O
Rihito Itagaki
3 titles together
Kamen Rider Zi-O NEXT TIME: Geiz, Majesty, RIDER TIME: Kamen Rider Zi-O VS Decade -7 of Zi-O!-, Kamen Rider Zi-O
Full filmography · 31
Can you kiss me first?
as Eito Kanda
Upcoming
Unmarried Fraud: The Side of Him I Didn't Know
as Kazuya Komai
2026
GRAPARA!
as Sumida Shinobu
2025
Love Thunder
as Somei Aoi
2025
Cosmetic Playlover
as Sahashi Tenma
2024
Stage Play "Journey to the West"
cast
2024
Sugar Sugar Honey
as Akanishi Sota
2024
Marriage with Me? Seriously?
cast
2023
Ooku: The Inner Chambers
as 溝口左京（みぞぐち さきょう） / お夏（おなつ）
2023
The 8.2 Second Rule
as Shuto Miyagi
2022
Mr. Unlucky Has No Choice but to Kiss!
as Saku Tsujimura
20227.3
RIDER TIME: Kamen Rider Zi-O VS Decade -7 of Zi-O!-
as Geiz Myoukouin / Kamen Rider Gates
2021