Umberto Lenzi Director Tomas Milian Rambo Actor Joseph Cotten Paternò Actor Maria Fiore Maria Scalia Actor Mario Piave Pino Scalia Actor Luciano Catenacci Conti Actor Guido Alberti Owner of Billiard Salon Actor Femi Benussi Flora Actor Silvano Tranquilli Dr. Marco Marsili Actor Shirley Corrigan Conti's mistress Actor Antonio Casale Philip Duval Actor Vincenzo Mannino Screenwriter