Hiroshi Koizumi

Shoichi Tsukioka

Setsuko Wakayama

Hidemi Yamaji

Minoru Chiaki

Kôji Kobayashi

Takashi Shimura

Kyohei Yamane-hakase

Masao Shimizu

Zoologist Dr. Tadokoro

Seijirô Onda

Captain Terasawa of Osaka Defense Corps

Sonosuke Sawamura

Hokkaido Branch Manager Shingo Shibeki

Yoshio Tsuchiya

Tajima, Member of Osaka Defense Corps

Mayuri Mokushô

Radio Operator Yasuko Inouye

Minosuke Yamada

Chief of Civil Defense

Yukio Kasama

Koehi Wamaji, President of the Fishery

Senkichi Ōmura

Small Escaped Convict

Ren Yamamoto

Commander of Landing Craft

Shin Ōtomo

Convict Leader

Takeo Oikawa

Osaka Municipal Police Commissioner

Shōichi Hirose

Convict

Teruko Mita

'Yayoi' Madam

Haruo Nakajima

Godzilla

Katsumi Tezuka

Anguirus

Miyoko Hoshino

Cabaret Singer

Toku Ihara

Policeman

Takuzō Kumagai

Hokkai-Maru Captain

Tadao Nakamaru

Policeman

Hideo Shibuya

Visitor of Cabaret

Shigemi Sunagawa

Visitor of Cabaret

Masaaki Tachibana

Policeman

Kôji Uno

Shibeki's Assistant

Shin Yoshida

Convict