平田昭彦
Professor Kyuichiro Kashiwagi
Kiyoshi Takagi
Dr. Minakami (uncredited)
村上冬樹
Professor Minami (uncredited)
Mitsuo Matsumoto
Professor Isokawa (uncredited)
熊谷卓三
Policeman Tashiro (uncredited)
堤康久
Imamura, F-86F pilot (uncredited)
岡豊
Kitahara, F-86F pilot (uncredited)
手塚勝巳
Rodan / Meganulon / Hotel Manager
広瀬正一
Meganulon / Fighter pilot
門脇三郎
Sunagawa's colleague (uncredited)
中田康子
Female Honeymooner (uncredited)
Toshiko Nakano
Kiyo's neighbor (uncredited)
勝本圭一郎
Coal mine employee (uncredited)
坪野鎌之
Policeman at crime laboratory (uncredited)
Mike Daneen
Okinawan correspondent (uncredited)
山田彰
Radio operator on jeep (uncredited)
山本廉
Soldier in jeep (uncredited)
Seiji Onaka
Nakagawa, male honeymooner
