Akira Takarada

Lt. Commander Jiro Nomura

Acting

Mie Hama

Madame Piranha

Acting

Rhodes Reason

Commander Carl Nelson

Acting

Linda Miller

Lieutenant Susan Watson

Acting

Hideyo Amamoto

Dr. Who

Acting

Yoshibumi Tajima

Henchman

Acting

Sachio Sakai

Henchman

Acting

Ryuji Kita

SDF General

Acting

Ikio Sawamura

Native

Acting

Nadao Kirino

Henchman

Acting

Shōichi Hirose

Henchman

Acting

Kazuo Suzuki

Henchman

Acting

Tōru Ibuki

Henchman

Acting

Naoya Kusakawa

Acting

Susumu Kurobe

Henchman

Acting

Haruo Nakajima

King Kong

Acting

Hiroshi Sekita

Mechani-Kong/Gorosaurus

Acting

Kei Taguchi

(voice)

Acting

Akiko Santo

(voice)

Acting

Osman Yusuf

Submariner (uncredited)

Acting

Tadashi Okabe

Soldier (uncredited)

Acting

Seishirō Kuno

Soldier (uncredited)

Acting

Yasuhisa Tsutsumi

General (uncredited)

Acting

Andrew Hughes

Reporter (uncredited)

Acting