Gaku Oshida

Known for: Acting

Born: 1997-04-09 (age 29)

From: 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".

Filmography (35)

TV
Unmarried Fraud: The Side of Him I Didn't Know
2026
as Kazuya Komai
TV
DEAD ENDー羅刹の刻印ー
2026
as Aoi Soji
TV
GRAPARA!
2025
as Sumida Shinobu
TV★ 7.0
Love Thunder
2025
as Somei Aoi
MOVIE
Fast Break
2024
as Satoru Saiga
TV★ 7.8
Cosmetic Playlover
2024
as Sahashi Tenma
TV
Stage Play "Journey to the West"
2024
MOVIE
Suiheisen
2024
TV★ 7.5
Sugar Sugar Honey
2024
as Akanishi Sota
TV★ 6.5
Marriage with Me? Seriously?
2023
TV★ 7.0
Ooku: The Inner Chambers
2023
as 溝口左京（みぞぐちさきょう） / お夏（おなつ）
TV★ 5.8
The 8.2 Second Rule
2022
as Shuto Miyagi
TV★ 7.4
Mr. Unlucky Has No Choice but to Kiss!
2022
as Saku Tsujimura
MOVIE★ 8.0
Honey Lemon Soda
2021
as Student
TV★ 6.0
RIDER TIME: Kamen Rider Zi-O VS Decade
2021
as Geiz Myoukouin / Kamen Rider Gates
TV★ 7.0
In-House Marriage Honey
2020
as Yamagata Yuki
MOVIE★ 4.0
Grim Reaper Case Book
2020
as Ippachi
MOVIE★ 9.0
Kamen Rider Zi-O: Final Stage
2020
as Geiz Myokoin / Kamen Rider Geiz
MOVIE★ 6.7
Kamen Rider Zi-O NEXT TIME: Geiz, Majesty
2020
as Geiz Myokoin / Kamen Rider Geiz
MOVIE★ 6.1
Kamen Rider Reiwa: The First Generation
2019
as Geiz Myoukouin / Kamen Rider Geiz
MOVIE
Super Juvenile Detective Team NEO Beginning
2019
MOVIE
Kamen Rider Zi-O: Special Event
2019
as Geiz Myoukouin
MOVIE
Kamen Rider BiBiBi no Bibill Geiz
2019
as Geiz Myokoin / Kamen Rider Geiz
MOVIE★ 6.7
Kamen Rider Zi-O the Movie: Over Quartzer
2019
as Geiz Myoukouin / Kamen Rider Geiz
TV★ 5.6
RIDER TIME: Kamen Rider Ryuki
2019
as Geiz Myokouin / Kamen Rider Geiz
TV
仮面ライダージオウスピンオフ RIDER TIME
2019
MOVIE★ 6.1
Kamen Rider Heisei Generations Forever
2018
as Geiz Myoukouin / Kamen Rider Geiz
TV
Heisei Kamen Rider 20 Series: Supplementary Plan
2018
as Geiz Myoukouin
MOVIE★ 6.4
Samurai Sensei
2018
as Toranosuke
TV
Kamen Rider Zi-O: Transformation Lessons
2018
as Geiz Kyokoin
TV★ 9.0
Kamen Rider Zi-O
2018
as Geiz Myoukouin/Kamen Rider Geiz
TV★ 8.4
Unnatural
2018
as 澤田・松本
TV★ 7.2
CSI: Crime Scene Talks
2011
TV★ 6.4
Kamen Rider
1971
as Geiz Myoukouin / Kamen Rider Geiz
MOVIE
仮面ライダー令和ザ・ファースト・ジェネレーション
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