Anthony M. Dawson Director, Director Claude Rains Prof. Benson Actor Maya Brent Eve Barnett Actor Bill Carter Cmdr. Bob Cole Actor Umberto Orsini Dr. Fred Steele Actor Jacqueline Derval Actor Carol Danell Actor Massimo Righi Actor Joe Pollini Actor John Karlsen Actor Renzo Palmer Barrington Actor Giuliano Gemma Moran Actor Carlo D'Angelo General Varreck Actor Thomas Sagone Writer, Cinematographer Mario Serandrei Film Editor