Ryo Shinoda

as Kazuya Nagayama (11 episodes)

as Ritsuke Shirotaka

as Oguri

as Kenji (1 episode), as Haruki (1 episode)

as Suzuki

as Ishida / Kamen Rider Impala (3 episodes)

as Genzaburo (12 episodes)

as Kaito

as Takeo Maruyama

as Nobu

as Hamano (voice) (1 episode), as Takuya (voice) (1 episode), as Miyama (voice) (1 episode), as Koichi (voice) (1 episode), as Sagawa (voice) (1 episode), as (voice) (15 episodes), as Yuichi (voice) (1 episode), as Mitsuki (voice) (1 episode), as Michio (voice) (1 episode), as Hiroki Ohta (voice) (1 episode), as Kyosuke (voice) (1 episode), as Kawaguchi (voice) (1 episode), as Man (voice) (1 episode), as Ryuichi (voice) (1 episode), as Masataka Yamagishi (voice) (1 episode), as Tomoharu (voice) (1 episode), as Yuuichirou (voice) (1 episode), as Yukako's Grandfather (voice) (1 episode), as Dam repair worker (voice) (1 episode), as Station Announcement (voice) (1 episode)