Sea-Boy and Mountain-Boy

Kappei Matsumoto

Aobamaru

Shojiro Ogasawara

Kashiwagi

Keizo Sasagawa

Tagawa

Hisayoshi Yoshizawa

Hisayoshi Yoshizawa

Kō Mihashi

Principal

Haruo Yoshida

Gorira-kun

Yasuro Takada

Kyôsuke

Chōko Iida

Izumi Hara

Aobamaru's wife

Noriko Arita

Namiko Oguma

Yoshiko Sakurai

Kyôsuke's mother