as Dr. Johns
as professor Amundsen
as Enrico Cavallari
as Scheffer
as Roger
as Grant
as American Commando Leader
as Donovan
Director
as Count Richard Marnack
as Guide
Writer
as Marquis Coppafrata (uncredited)
as Stefano's father
as Jimmy
as Anselmi
as Fritz von Merkel
as Riccardo Murri
as Carlo Salvi (as Giacomo Rossi-Stuart)
as Jack Donati
