Tadao Takashima

Dr. Tsunezo Kusumi

Bibari Maeda

Saeko Matsumiya

Akira Kubo

Goro Maki

Akihiko Hirata

Fujisaki

Kenji Sahara

Morio

Yoshio Tsuchiya

Furukawa

Susumu Kurobe

Meteorological observation plane captain

Kazuo Suzuki

Meteorological observation plane navigator

Ken'ichirō Maruyama

Ozawa

Seishirō Kuno

Tashiro

Yasuhiko Saijō

Suzuki

Chōtarō Tōgin

Meteorological observation plane radio operator

Wataru Ōmae

Meteorological observation plane co-pilot

Seiji Onaka

Godzilla

Hiroshi Sekita

Godzilla

Haruo Nakajima

Godzilla (water scenes)

Masao Fukazawa

Minilla (as "Little Man" Machan)

Osman Yusuf

United Nations submarine captain