Acting
Gaku Oshida
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".
Acting
- 2026You Should Be The One To Come Kiss MeEito Kanda8 ep.
- 2026Unmarried Fraud: The Side of Him I Didn't KnowKazuya Komai8 ep.
- 2026DEAD ENDー羅刹の刻印ーAoi Soji3 ep.
- 2025GRAPARA!Sumida Shinobu8 ep.
- 2025Love ThunderSomei Aoi27 ep.
- 2024Cosmetic PlayloverSahashi Tenma3 ep.
- 2024Stage Play "Journey to the West"1 ep.
- 2024Sugar Sugar HoneyAkanishi Sota8 ep.
- 2023Marriage with Me? Seriously?8 ep.
- 2023Ooku: The Inner Chambers溝口左京（みぞぐち さきょう） / お夏（おなつ）10 ep.
- 2022The 8.2 Second RuleShuto Miyagi1 ep.
- 2022Mr. Unlucky Has No Choice but to Kiss!Saku Tsujimura8 ep.
- 2021RIDER TIME: Kamen Rider Zi-O VS Decade -7 of Zi-O!-Geiz Myoukouin / Kamen Rider Gates3 ep.
- 2020In-House Marriage HoneyYamagata Yuki7 ep.
- 2019RIDER TIME: Kamen Rider RyukiGeiz Myokouin / Kamen Rider Geiz3 ep.
- 2019仮面ライダージオウ スピンオフ RIDER TIME12 ep.
- 2018Heisei Kamen Rider 20 Series: Supplementary PlanGeiz Myoukouin4 ep.
- 2018Kamen Rider Zi-O: Transformation LessonsGeiz Kyokoin1 ep.
- 2018Kamen Rider Zi-OGeiz Myokoin / Kamen Rider Geiz49 ep.
- 2018Unnatural澤田・松本1 ep.
Behind the camera
- 2022Mr. Unlucky Has No Choice but to Kiss!Acting Double8 ep.
Guest appearances
- 2024Cosmetic PlayloverSahashi Tenma3 ep.
- 2022CSI: Crime Scene Talks1 ep.
- 2022The 8.2 Second RuleShuto Miyagi1 ep.
- 2019Doctor-X: Surgeon Michiko Daimon1 ep.
- 2018Kamen Rider Zi-O: Transformation LessonsGeiz Kyokoin1 ep.
- 2018Unnatural澤田・松本1 ep.
Also known as: Oshida Gaku · おしだ がく