Vesmírná améba

Akira Kubo

Taro Kudo

Jukiko Kobajaši

Saki, native girl

Acuko Takahaši

Ayako Hoshino

Jošio Cučija

Dr. Kyoichi Mida

Tecu Nakamura

Chieftain Ombo

Sačio Sakai

The Editor (uncredited)

Kendži Sahara

Makoto Obata

Jú Fudžiki

Promotion Division Manager (uncredited)

Noritake Saito

Rico, the guide (uncredited)

Čótaró Tógin

Yokoyama, an agent (uncredited)

Wataru Ómae

Sakura (uncredited)

Jukihiko Gondó

Islander (uncredited)

Šigeo Kató

Islander (uncredited)

Rinsaku Ogata

Islander (uncredited)

Yûko Sugihara

Stewardess (uncredited)

Haruo Nakadžima

Gezora / Ganimes