Laura Antonelli
(Rosanna) ,
Frankie Avalon
(Craig Gamble (uncredited) (archive footage)) ,
Mario Bava
(Angel with Harp (uncredited)) ,
Vincent Price
(Dr. Goldfoot / General Willis) ,
Fabian
(Bill Dexter) ,
Ennio Antonelli
(Goldfoot Henchman (uncredited)) ,
Silvana Bacci
(Robot (uncredited)) ,
Antonietta Fiorito
(Robot (uncredited)) ,
Franco Franchi
(Franco) ,
Gianfranco Funari
(US Army Official (uncredited)) ,
Veriano Ginesi
(Bald Goldfoot Henchman (uncredited)) ,
Susan Hart
(Diane (uncredited) (archive footage)) ,
Louis M. Heyward
(American General (uncredited)) ,
Dwayne Hickman
(Todd Armstrong (uncredited) (archive footage)) ,
Ciccio Ingrassia
(Ciccio) ,
Aron Kincaid
(Motorist Who Hits Diane (uncredited) (archive footage)) ,
Francesco Mulè
(Colonel Doug Benson) ,
Amerigo Santarelli
(Goldfoot Henchman (uncredited)) ,
Moa Tahi
(Hardjob - Dr. Goldfoot's Assistant (uncredited)) ,
George Wang
(Fong (uncredited))