Gaku Oshida
Known for: Acting
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".
Filmography
Series
Kamen Rider
Geiz Myoukouin / Kamen Rider Geiz
1971
Series
CSI: Crime Scene Talks
2011
Series
Kamen Rider Zi-O
Geiz Myoukouin/Kamen Rider Geiz
2018
Series
Unnatural
澤田・松本
2018
Series
Cosmetic Playlover
Sahashi Tenma
2024
Series
Ooku: The Inner Chambers
溝口左京（みぞぐち さきょう） / お夏（おなつ）
2023
Series
仮面ライダージオウ スピンオフ RIDER TIME
2019
Series
RIDER TIME: Kamen Rider Zi-O VS Decade -7 of Zi-O!-
Geiz Myoukouin / Kamen Rider Gates
2021
Series
GRAPARA!
Sumida Shinobu
2025
Series
The 8.2 Second Rule
Shuto Miyagi
2022
Series
RIDER TIME: Kamen Rider Ryuki
Geiz Myokouin / Kamen Rider Geiz
2019
Series
Mr. Unlucky Has No Choice but to Kiss!
Saku Tsujimura
2022
Series
Sugar Sugar Honey
Akanishi Sota
2024
Film
Kamen Rider Heisei Generations Forever
Geiz Myoukouin / Kamen Rider Geiz
2018
Series
Marriage with Me? Seriously?
2023
Series
In-House Marriage Honey
Yamagata Yuki
2020
Film
Kamen Rider Reiwa: The First Generation
Geiz Myoukouin / Kamen Rider Geiz
2019
Film
Honey Lemon Soda
Student
2021
DEAD ENDー羅刹の刻印ー
Aoi Soji
2026
Series
Love Thunder
Somei Aoi
2025
Heisei Kamen Rider 20 Series: Supplementary Plan
Geiz Myoukouin
2018
Series
Stage Play "Journey to the West"
2024
Film
Samurai Sensei
Toranosuke
2018
Film
Kamen Rider Zi-O NEXT TIME: Geiz, Majesty
Geiz Myokoin / Kamen Rider Geiz
2020
Series
Can you kiss me first?
Eito Kanda
Series
Unmarried Fraud: The Side of Him I Didn't Know
Kazuya Komai
2026
Film
Super Juvenile Detective Team NEO Beginning
2019
Kamen Rider Zi-O: Transformation Lessons
Geiz Kyokoin
2018
Film
Grim Reaper Case Book
Ippachi
2020
仮面ライダー 令和 ザ・ファースト・ジェネレーション
Film
Suiheisen
2024
Film
Kamen Rider BiBiBi no Bibill Geiz
Geiz Myokoin / Kamen Rider Geiz
2019
Film
Kamen Rider Zi-O: Special Event
Geiz Myoukouin
2019
Film
Kamen Rider Zi-O: Final Stage
Geiz Myokoin / Kamen Rider Geiz
2020
Film
Fast Break
Satoru Saiga
2024
Film
Kamen Rider Zi-O the Movie: Over Quartzer
Geiz Myoukouin / Kamen Rider Geiz
2019