Tadao Takashima
Dr. Tsunezo Kusumi
Acting
Bibari Maeda
Saeko Matsumiya
Acting
Akira Kubo
Goro Maki
Acting
Akihiko Hirata
Fujisaki
Acting
Kenji Sahara
Morio
Acting
Yoshio Tsuchiya
Furukawa
Acting
Susumu Kurobe
Meteorological observation plane captain
Acting
Kazuo Suzuki
Meteorological observation plane navigator
Acting
Ken'ichirō Maruyama
Ozawa
Acting
Seishirō Kuno
Tashiro
Acting
Yasuhiko Saijō
Suzuki
Acting
Chōtarō Tōgin
Meteorological observation plane radio operator
Acting
Wataru Ōmae
Meteorological observation plane co-pilot
Acting
Seiji Onaka
Godzilla
Acting
Hiroshi Sekita
Godzilla
Acting
Haruo Nakajima
Godzilla (water scenes)
Acting
Masao Fukazawa
Minilla (as "Little Man" Machan)
Acting
Osman Yusuf
United Nations submarine captain
Acting