Start Up!! Kamen Rider Gavv

Hidekazu Chinen

Self - Shouma / Kamen Rider Gavv

Yusuke Hino

Self - Hanto Karakida / Kamen Rider Valen

Nozomi Miyabe

Self - Sachika Amane

Takashi Tsukamoto

Self - Lango Stomach

Teruaki Sugihara

Self

Go Sakabe

Self

Sekai

Self

Taiki Sato

Self

Natsuki Sawamoto

Self

Leiya Seguchi

Self

Natsuki Hori

Self

Keito Kimura

Self

Yusei Yagi

Self

Sota Nakajima

Self

Shintaro Asanuma

Self - Narration (voice)

Takehiro Okawa

Producer

Keisuke Shibataka

Producer

Naomi Takebe

Producer

Minami Takishima

Producer