Yuki Sato

as Azuma

as Keisuke Asou

as Yusuke

as Yuki Kojima

as Hiro Sakakibara

as Ultraman Cosmos (voice)

as Child

as Arata Kagami / Kamen Rider Gatack

as Inuyama Katsumi

as Nami

as Sasaki

as 加贺美新

as Baby (voice)

as Eiji Tokuyama

as Kagurazaka Makoto

as 和田正隆（わだ まさたか）

as Akira Hanei

as Yashiro Makoto

as Arata Kagami / Kamen Rider Gatack

as Shunichi Takafuji

as Takashi Ochiai

as Uchimura Takeshi

as Arata Kagami / Kamen Rider Gatack

as Yosuke Kitano