Myron Healey

as Cmdr. James Bradley

Tsuruko Kobayashi

as Anna

Clifford Kawada

as Capt. Kishi

Derick Shimatsu

as Matsu, the boy

Koreya Senda

as Dr. Sugimoto

Kōzō Nomura

as Paul Isoh

Ayumi Sonoda

as Shidori Isoh

Fumito Matsuo

as Paul's Friend

Akihiko Hirata

as Dr. Fujimora

Fuyuki Murakami

as Dr. Majima

Yoshio Tsuchiya

as Military Officer Katsumoto

Minosuke Yamada

as Secretary of Defense

Hisaya Ito

as Ichiro

Yoshibumi Tajima

as Captain of Uranami

Nadao Kirino

as Yutaka Wada

Akira Sera

as Village High Priest

Akio Kusama

as Military Officer Kusama

Noriko Honma

as Ken's Mom

Akira Yamada

as Issaku

Fumindo Matsuo

as Horiguchi

Yoshikazu Kawamata

as Jiro

Yasuhiro Shigenobu

as Sankichi

Shōichi Hirose

as Fisherman

Takashi Itô

as Ken

Hideo Shibuya

as Cameraman

Toshitsugu Suzuki

as Fisherman

Haruo Nakajima

as Varan

Katsumi Tezuka

as Varan

George Sasaki

as Soldier