
Gaku Oshida
Known for Acting · 33 credits
- Born
- 1997-04-09 (age 29)
- Place of birth
- Yokosuka, Kanagawa, Japan
- Also known as
- Oshida Gaku · おしだ がく
Biography
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".
Known For
TV Shows (19)

Kamen Rider
1971
as Geiz Myoukouin / Kamen Rider Geiz

CSI: Crime Scene Talks
2011

Unnatural
2018
as 澤田・松本

Cosmetic Playlover
2024
as Sahashi Tenma

Kamen Rider Zi-O
2018
as Geiz Myoukouin/Kamen Rider Geiz

RIDER TIME: Kamen Rider Ryuki
2019
as Geiz Myokouin / Kamen Rider Geiz

Mr. Unlucky Has No Choice but to Kiss!
2022
as Saku Tsujimura

RIDER TIME: Kamen Rider Zi-O VS Decade
2021
as Geiz Myoukouin / Kamen Rider Gates

GRAPARA!
2025
as Sumida Shinobu

In-House Marriage Honey
2020
as Yamagata Yuki

Sugar Sugar Honey
2024
as Akanishi Sota

Stage Play "Journey to the West"
2024

Marriage with Me? Seriously?
2023

Love Thunder
2025
as Somei Aoi

The 8.2 Second Rule
2022
as Shuto Miyagi
Kamen Rider Zi-O: Transformation Lessons
2018
as Geiz Kyokoin
Heisei Kamen Rider 20 Series: Supplementary Plan
2018
as Geiz Myoukouin
DEAD ENDー羅刹の刻印ー
2026
as Aoi Soji

仮面ライダージオウ スピンオフ RIDER TIME
2019
Movies (14)

Kamen Rider Heisei Generations Forever
2018
as Geiz Myoukouin / Kamen Rider Geiz

Kamen Rider Reiwa: The First Generation
2019
as Geiz Myoukouin / Kamen Rider Geiz

Kamen Rider Zi-O: Special Event
2019
as Geiz Myoukouin

Super Juvenile Detective Team NEO Beginning
2019

Kamen Rider Zi-O NEXT TIME: Geiz, Majesty
2020
as Geiz Myokoin / Kamen Rider Geiz
仮面ライダー 令和 ザ・ファースト・ジェネレーション

Samurai Sensei
2018
as Toranosuke

Honey Lemon Soda
2021
as Student

Kamen Rider Zi-O: Final Stage
2020
as Geiz Myokoin / Kamen Rider Geiz

Suiheisen
2024

Grim Reaper Case Book
2020
as Ippachi

Kamen Rider BiBiBi no Bibill Geiz
2019
as Geiz Myokoin / Kamen Rider Geiz

Kamen Rider Zi-O the Movie: Over Quartzer
2019
as Geiz Myoukouin / Kamen Rider Geiz

Fast Break
2024
as Satoru Saiga
About 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". With 33 credits spanning from 1971 to 2026, Gaku Oshida has appeared in 14 films and 19 TV shows.
Fans searching for Gaku Oshida movies, Gaku Oshida filmography, or the latest projects starring Gaku Oshida can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Gaku Oshida Movies
- Kamen Rider Heisei Generations Forever (2018) — as Geiz Myoukouin / Kamen Rider Geiz
- Kamen Rider Reiwa: The First Generation (2019) — as Geiz Myoukouin / Kamen Rider Geiz
- Kamen Rider Zi-O: Special Event (2019) — as Geiz Myoukouin
- Super Juvenile Detective Team NEO Beginning (2019)
- Kamen Rider Zi-O NEXT TIME: Geiz, Majesty (2020) — as Geiz Myokoin / Kamen Rider Geiz
Where to Watch Gaku Oshida Films
Most Gaku Oshida movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Gaku Oshida, check our movies catalogue and browse page.