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