佐原健二
Shigeru Kawamura
白川由美
Kiyo
平田昭彦
Professor Kyuichiro Kashiwagi
山田巳之助
Mining Chief Osaki
田島義文
Izeki
小堀阿吉雄
Police Chief Nishimura
津田光男
Staff Officer Takeuchi
今泉廉
Sunagawa
向井淳一郎
Military officer
緒方燐作
Goro
千葉一郎
Chief of Police
Tsurue Ichimanji
Haru
Tateo Kawasaki
Tsunesan
如月寛多
Suteyan
馬野都留子
Osumi
鈴川二郎
Yoshizo
Yasuhiro Shigenobu
Sabu
榊田敬二
Tahei
中谷一郎
Senkichi
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)
砂川繁視
F-86F pilot (uncredited)
手塚勝巳
Rodan / Meganulon / Hotel Manager
中島春雄
Rodan / Meganulon
広瀬正一
Meganulon / Fighter pilot
門脇三郎
Sunagawa's colleague (uncredited)
中田康子
Female Honeymooner (uncredited)
Junnosuke Suda
Coroner (uncredited)
Toshiko Nakano
Kiyo's neighbor (uncredited)
池谷三郎
News Reader (uncredited)
Saeko Kuroiwa
Nurse (uncredited)
平凡太郎
Laborer (uncredited)
勝本圭一郎
Coal mine employee (uncredited)
坪野鎌之
Policeman at crime laboratory (uncredited)
Mike Daneen
Okinawan correspondent (uncredited)
橘正晃
Policeman (uncredited)
岡部正
Journalist (uncredited)
宇野晃司
Reporter (uncredited)
山田彰
Radio operator on jeep (uncredited)
山本廉
Soldier in jeep (uncredited)
Tokio Ôkawa
Meganulon (uncredited)
Seiji Onaka
Nakagawa, male honeymooner
