Akira Kubo
Taro Kudo
Distribution
高橋厚子
Ayako Hoshino
Yukiko Kobayashi
Saki, native girl
Kenji Sahara
Makoto Obata
Yoshio Tsuchiya
Dr. Kyoichi Mida
中村哲
Chieftain Ombo
Yū Fujiki
Asia Development Promotion Division Manager
Noritake Saito
Rico
Yûko Sugihara
Stewardess
Sachio Sakai
The Editor
Chōtarō Tōgin
Yokoyama
大前亘
Sakura
Yukihiko Gondō
Sergio Islander
加藤茂雄
Sergio Islander
緒方燐作
Sergio Islander
Haruo Nakajima
Gezora / Ganimes / Taro Kudo (water scene stunt double)
中村晴吉
Kamoebas
村越伊知郎
Space Amoeba / Narrator (voices) (uncredited)
