Gaku Oshida
Actor · Acting Double
Born Apr 9, 1997 · Yokosuka, Kanagawa, Japan
Active 2011–present · 5′9″ (175 cm)
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.
Filmography
GRAPARA! (2025) — Sumida ShinobuLove Thunder (2025) — Somei AoiUnmarried Fraud: The Side of Him I Didn't Know (2026) — Kazuya KomaiOmae no Hou kara Kiss shitekure yo — Eito KandaUnnatural (2018) — 澤田・松本Kamen Rider (1971) — Geiz Myoukouin / Kamen Rider GeizMr. Unlucky Has No Choice but to Kiss! (2022) — Saku Tsujimura · Acting DoubleHoney Lemon Soda (2021) — StudentCosmetic Playlover (2024) — Sahashi TenmaIn-House Marriage Honey (2020) — Yamagata YukiKamen Rider Zi-O (2018) — Geiz Myoukouin/Kamen Rider GeizKamen Rider Heisei Generations Forever (2018) — Geiz Myoukouin / Kamen Rider GeizKamen Rider Zi-O the Movie: Over Quartzer (2019) — Geiz Myoukouin / Kamen Rider GeizKamen Rider Zi-O: Final Stage (2020) — Geiz Myokoin / Kamen Rider GeizCSI: Crime Scene Talks (2011)Kamen Rider Zi-O NEXT TIME: Geiz, Majesty (2020) — Geiz Myokoin / Kamen Rider GeizOoku: The Inner Chambers (2023) — 溝口左京（みぞぐち さきょう） / お夏（おなつ）Kamen Rider Reiwa: The First Generation (2019) — Geiz Myoukouin / Kamen Rider GeizSugar Sugar Honey (2024) — Akanishi SotaSamurai Sensei (2018) — ToranosukeThe 8.2 Second Rule (2022) — Shuto MiyagiMarriage with Me? Seriously? (2023)RIDER TIME: Kamen Rider Zi-O VS Decade -7 of Zi-O!- (2021) — Geiz Myoukouin / Kamen Rider GatesRIDER TIME: Kamen Rider Ryuki (2019) — Geiz Myokouin / Kamen Rider Geiz