Akira Kubo

Taro Kudo

小林夕岐子

Saki, native girl

高橋厚子

Ayako Hoshino

土屋嘉男

Dr. Kyoichi Mida

中村哲

Chieftain Ombo

Sachio Sakai

The Editor (uncredited)

佐原健二

Makoto Obata

藤木悠

Promotion Division Manager (uncredited)

Noritake Saito

Rico, the guide (uncredited)

当銀長太郎

Yokoyama, an agent (uncredited)

大前亘

Sakura (uncredited)

Yukihiko Gondô

Islander (uncredited)