- Hiroshi Koizumi
- Shoichi Tsukioka
- Setsuko Wakayama
- Hidemi Yamaji - Koehi's Daughter
- Minoru Chiaki
- Kôji Kobayashi
- Takashi Shimura
- Kyohei Yamane-hakase
- Masao Shimizu
- Zoologist Dr. Tadokoro
- Seijirô Onda
- Captain Terasawa of Osaka Defense Corps
- Sônosuke 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 Yamaji, President of the Fishery
- Senkichi Ãmura
- Small Escaped Convict
- Ren Yamamoto
- Commander of Landing Craft
- Shin Ãtomo
- Convict Leader
- Shirô Tsuchiya
- Captain of Fishing Boat
- Takeo Oikawa
- Osaka Municipal Police Commissioner
- Sôkichi Maki
- Escaped Convict
- Shôichi Hirose
- Convict
- Shin Yoshida
- Convict
- Junpei Natsuki
- Escaped Convict
- Teruko Mita
- Japanese Restaurant 'Yayoi' Madam
- Katsumi Tezuka
- Angirasu
- Haruo Nakajima
- Gojira
- Miyoko Hoshino
- Singer of cabaret
- Toku Ihara
- Policeman
- Takuzô Kumagai
- Captain of Hokkai-maru
- Marvin Miller
- Narrator
- Tadao Nakamaru
- Policeman
- Keiji Sakakida
- Osaka Defense Force Executive / Police Officer
- Haruya Sakamoto
- Hokkai-maru Sailor
- Kôichi Satô
- Defense Force Member
- Akira Sera
- Fishing Company Employee
- Hideo Shibuya
- Visitor of cabaret
- Shigemi Sunagawa
- Visitor of cabaret
- Masaaki Tachibana
- Police Officer Escort / Osaka City Announcer (voice)
- Kamayuki Tsubono
- Osaka Maritime Police Officer
- Kôji Uno
- Shibeki's Assistant
- Paul Frees
- Voice
- Keye Luke
- Shoichi Tsukioka
- Tadashi Okabe
- Defense Force Member
- George Takei
- Commander of Landing Craft
