Cast
Marvin Miller
Air Self-Defense Force commander / Air Force pilot / newsreader (voice)
中島春雄
Rodan / Meganulon (uncredited)
平田昭彦
Dr. Kyuichiro Kashiwagi
山田巳之助
Osaki
田島 義文
Izeki
Paul Frees
Nishimura / Suda / Dr. Tanaka / Air Force officer / Kitahara (voice)
James Yagi
Osaki / Professor Minami / hotel manager / farmer (voice)
佐原健二
Shigeru Kawamura
白川由美
Kiyo
Keye Luke
Shigeru Kawamura / Sunagawa / Toji (voice)
จอร์จ ทาเคอิ
Dr. Kyuichiro Kashiwagi / Izeki / male honeymooner (voice)