Shu Watanabe

as Heisuke Takoi (10 episodes)

as Ryotaro Kurokawa

as Teruyoshi Sagotani (12 episodes)

as Joji Kijima (9 episodes)

as Yano Ryota (12 episodes)

as Mamoru 'Moririn' Ishino

as Eiji Hino

as Ichikawa Hayato (8 episodes)

as Eiji Hino / Kamen Rider OOO

as Eiji Hino / Kamen Rider OOO

as Futa

as Mashiba Riku

as Kamen Rider OOO (archive voice)

as 小野田和樹 (12 episodes)

as Takahiro Kawamura

as Eiji Hino / Kamen Rider OOO

as Ken Kurenai

as Fukushi

as Fukushi (3 episodes)