Capt. Craig McKenzie / Cmdr. Glenn McKenzie
Joseph Cotten
Dr. Malic / Lt. Hastings
Cesar Romero
Dr. Anne Barton
Linda Haynes
Chin
Susumu Kurobe
Additional Voices (voice)
Burr Middleton
Flying Lion/Giant Rat
Haruo Nakajima
Man with Gun (uncredited)
Osman Yusuf
Advisor
Wataru Ōmae
Dr. Ken Tashiro
Akira Takarada
Lucretia
Patricia Medina
Dr. Jules Masson
Masumi Okada
Perry Lawton
Richard Jaeckel
Dr. Okada
Tetsu Nakamura
Tsuruko Okada
Mari Nakayama
Dr. Sugata
Akihiko Hirata
Capt. Kroiga
Hikaru Kuroki
Screenplay
Shinichi Sekizawa
Executive Producer
Tomoyuki Tanaka
Original Music Composer
Akira Ifukube
Director
Ishirō Honda
Production Manager
Eiji Tsuburaya
Warren Lewis
Ted Sherdeman
Director of Photography
Taiichi Kankura
Editor
Ume Takeda
Set Decoration
Maseo Fujiyoshi
Costume Design
Linda Glazman
Kiichi Ishida
Yasuaki Sakamoto
Producer
Don Sharpe
Production Design
Takeo Kita