So Okuno: Japanese Actor and Profile

So Okuno (奥野壮) is a Japanese actor born on August 21, 2000, in Osaka Prefecture, Japan. Standing at 168 cm with blood type A, he has gained recognition for his work across Japanese television series and cinematic releases, most notably starring as Sogo Tokiwa in the tokusatsu franchise Kamen Rider Zi-O.

Portrait of Japanese actor So Okuno — So Okuno-P1

Acting Career

Okuno made notable early appearances in the Kamen Rider franchise, taking the leading role of Sogo Tokiwa in Kamen Rider Zi-O (2018), as well as reprising the role in subsequent film projects such as Kamen Rider Heisei Generations Forever (2018) and Kamen Rider Zi-O the Movie: Over Quartzer (2019).

In addition to tokusatsu roles, he has appeared in numerous cinematic and television productions. His film credits include Watashi ga Motete Dosunda (2020), Pornographer: Playback (2021) as Shizuo Akemi, Sin and Evil (2024), and Mystery Arena (2026) as Butsumetsu.

On television, Okuno has taken on diverse supporting and guest roles in series such as Peanut Butter Sandwich (2020), Worst to First: A Teen Baseball Miracle (2023), The Promise: The Truth from 16 Years Ago (2024), Billion X School (2024), and Sins of Kujo (2026).

Filmography Overview

Movies

Kamen Rider Build the Movie: Be the One (2018) - Kamen Rider Zio (voice)
Kamen Rider Heisei Generations Forever (2018) - Sogo Tokiwa / Kamen Rider Zio
Kamen Rider Zi-O the Movie: Over Quartzer (2019) - Sogo Tokiwa / Kamen Rider Zio
Kamen Rider Reiwa: The First Generation (2019) - Sogo Tokiwa / Kamen Rider Zio
Watashi ga Motete Dosunda (2020) - Hayato Shinomiya
Pornographer: Playback (2021) - Shizuo Akemi
Sin and Evil (2024)
Mystery Arena (2026) - Butsumetsu

Television Dramas

Peanut Butter Sandwich (MBS, 2020) - Yuto Tokita
Tokyo Noodle Factory (TBS-MBS, 2021) - Yoshio Midorikawa
The Woman of S.R.I. Season 21 (TV Asahi, 2021-2022) - Kenzo Shiba (ep. 15)
Oi Handsome (Fuji TV, 2022) - Aoyama
Worst to First: A Teen Baseball Miracle (TBS, 2023) - Shun Nohara
The Promise: The Truth from 16 Years Ago (NTV-YTV, 2024) - Jun Arimura
Billion X School (Fuji TV, 2024) - Yuu Joshima
Sins of Kujo (Netflix, 2026) - Shuto Nakatani (ep. 6-7)