"A prehistoric monster called Gigantis emerges alongside another creature named Angurus."
Hiroshi Koizumi
as Tsukioka
Setsuko Wakayama
as Hidemi
Minoru Chiaki
as Kobayashi (as Mindru Chiaki)
Takashi Shimura
as Dr. Yamane
Masao Shimizu
as Dr. Tadokoro
Seijirô Onda
as Commander (as Serjiro Onda)
Sonosuke Sawamura
as Shibeki
Yoshio Tsuchiya
as Tajima
Mayuri Mokushô
as Radio Operator
Yukio Kasama
as Father (as Yokio Kasama)
Takeo Oikawa
as Police Chief
Minosuke Yamada
as Chief of Civil Defense (uncredited)
Ren Yamamoto
as Ikeda (uncredited)
Shin Ōtomo
as Convict Leader (uncredited)
Senkichi Ōmura
as Convict (uncredited)
Haruo Nakajima
as Gigantis (uncredited)
Katsumi Tezuka
as Angurus (uncredited)
Shōichi Hirose
Keye Luke
as Tsukioka / Policeman (voice) (uncredited)
Aya Oyama
as Hidemi (voice) (uncredited)
Marvin Miller
as Kobayashi / Dr. Yamane / Narrator (voice) (uncredited)
Paul Frees
as Commander / Father / Convict (voice) (uncredited)
George Takei
as Ikeda / Osaka SDF Dispatcher (voice) (uncredited)
Jane Chang
as Radio Operator (voice) (uncredited)
James Yagi
as Osaka SDF Captain (voice) (uncredited)
Hugo Grimaldi
Director
Motoyoshi Oda
Paul Schreibman
Producer
Ib Melchior
Original Story
Writer
Shigeaki Hidaka
Screenplay
Edmund Goldman
Associate Producer
Editor
Sadao Iizuka
Visual Effects
Takeo Kita
Production Design
Tomoyuki Tanaka
Masaki Ônuma
Lighting Technician
Kazuo Baba
Production Manager
Takeo Murata
Eiji Tsuburaya
Rex Lipton
Music Editor
Shigeru Kayama
Novel
Seiichi Endo
Director of Photography
Special Effects
Teruaki Abe
Eiji Iwashiro
First Assistant Director
Al Sarno
Sound Effects Editor
Teizô Toshimitsu
Costume Design
Hajime Tsuburaya
Eizo Kaimai
Modeling
Yasuei Yagi
Sculptor
Masakatsu Asai
Kanju Yagi
Special Effects Assistant
Hiroshi Mukoyama
Masao Shirota
Ichirô Minawa
Sound Effects
Paul Sawtell
Music
Kazuji Taira
Yoshio Suzuki
Assistant Costume Designer
Motoyoshi Tomioka
Bert Shefter
Sadamasa Arikawa
Yoshio Irie
Visual Effects Art Director
Shuzaburo Araki
Visual Effects Camera
Tohl Narita
Yôichi Manoda
Yasuyuki Inoue
Akira Watanabe
Visual Effects Director
VFX Director of Photography
Masanobu Miyazaki
Sound Recordist
Herschel Burke Gilbert
Koichi Takano
Edwin B. Watson
ADR Supervisor
Masaru Satō
Original Music Composer
Presenter
