Gigantis, the Fire Monster

小泉博

Tsukioka

若山セツ子

Hidemi

千秋実

Kobayashi (as Mindru Chiaki)

志村喬

Dr. Yamane

清水将夫

Dr. Tadokoro

恩田清二郎

Commander (as Serjiro Onda)

澤村宗之助

Shibeki

土屋嘉男

Tajima

木匠マユリ

Radio Operator

?

Yukio Kasama

Father (as Yokio Kasama)

?

笈川武夫

Police Chief

山田巳之助

Chief of Civil Defense (uncredited)

山本廉

Ikeda (uncredited)

大友伸

Convict Leader (uncredited)

大村千吉

Convict (uncredited)