Gigantis, the Fire Monster

Hiroshi Koizumi

Tsukioka

Setsuko Wakayama

Hidemi

Minoru Chiaki

Kobayashi (as Mindru Chiaki)

Takashi Shimura

Dr. Yamane

Masao Shimizu

Dr. Tadokoro

Seijirô Onda

Commander (as Serjiro Onda)

Sonosuke Sawamura

Shibeki

Yoshio Tsuchiya

Tajima

Mayuri Mokushô

Radio Operator

Yukio Kasama

Father (as Yokio Kasama)

Takeo Oikawa

Police Chief

Minosuke Yamada

Chief of Civil Defense (uncredited)

Ren Yamamoto

Ikeda (uncredited)

Shin Ōtomo

Convict Leader (uncredited)

Senkichi Ōmura

Convict (uncredited)

Haruo Nakajima

Gigantis (uncredited)

Katsumi Tezuka

Angurus (uncredited)

Shōichi Hirose

Convict (uncredited)

Keye Luke

Tsukioka / Policeman (voice) (uncredited)

Aya Oyama

Hidemi (voice) (uncredited)

Marvin Miller

Kobayashi / Dr. Yamane / Narrator (voice) (uncredited)

Paul Frees

Commander / Father / Convict (voice) (uncredited)

George Takei

Ikeda / Osaka SDF Dispatcher (voice) (uncredited)

Jane Chang

Radio Operator (voice) (uncredited)

James Yagi

Osaka SDF Captain (voice) (uncredited)

Hugo Grimaldi

Director

Motoyoshi Oda

Director

Eiji Iwashiro

First Assistant Director

Hugo Grimaldi

Writer

Ib Melchior

Original Story

Shigeaki Hidaka

Screenplay

Shigeru Kayama

Novel

Takeo Murata

Screenplay

Edwin B. Watson

Original Story

Shigeru Kayama

Original Story

Paul Schreibman

Producer

Edmund Goldman

Associate Producer