Cast from Start Up!! Kamen Rider Gavv

Hidekazu Chinen

Shouma / Kamen Rider Gavv, Himself

Yusuke Hino

Hanto Karakida / Kamen Rider Valen, Himself

Nozomi Miyabe

Sachika Amane, Herself

Takashi Tsukamoto

Lango Stomach, Herself

Teruaki Sugihara

Himself

Go Sakabe

Himself

Sekai Yamamoto

Himself

Taiki Sato

Himself

Natsuki Sawamoto

Himself

Leiya Seguchi

Himself

Natsuki Hori

Himself

Keito Kimura

Himself

Yusei Yagi

Himself

Sota Nakajima

Himself

Shintaro Asanuma

Narration (voice)