निर्देशक: 福田純
佐々木勝彦
Inventor Goro Ibuki
林ゆたか
Hiroshi Jinkawa
Hiroyuki Kawase
Rokuro 'Roku-chan' Ibuki
森幹太
Japan Special Defense Forces Chief
富田浩太郎
Lead Seatopian Agent
大月ウルフ
Seatopian Agent
三上左京
Truck Driver's Assistant
Fumiyo Ikeda
Man from Unit 1
Robert Dunham
Emperor Antonio of Seatopia
Gentaro Nakajima
Truck Driver
Ralph Jesser
Antonio's Aide (Radio Operator in White)
Shinji Takagi
Godzilla
伊達 秀人
Megalon
駒田 次利
Jet Jaguar
森正親
Jet Jaguar
薩摩剣八郎
Gigan
納谷悟朗
Emperor Atonio of Seatopia (voice)
中西英介
Narrator
中島春雄
Godzilla (archive footage) (uncredited)
Kôetsu Ômiya
Anguirus
