Luigi Cozzi Director, Screenwriter Marjoe Gortner Akton Actor Caroline Munro Stella Star Actor Christopher Plummer The Emperor Actor David Hasselhoff Prince Simon Actor Robert Tessier Thor Actor Joe Spinell Count Zarth Arn Actor Nadia Cassini Queen of the Amazons Actor Nat Wachsberger Screenwriter, Producer Patrick Wachsberger Producer Paul Beeson Cinematographer Roberto D'Ettorre Piazzoli Cinematographer Sergio Montanari Film Editing John Barry Original Music Aurelio Crugnola Production Design