David Hemmings Director, Producer Ken Wahl Barney Actor Lesley Ann Warren Sally Actor Donald Pleasence Gilbert Carson Actor George Peppard Theo Brown Actor Bruno Lawrence Baker Actor Grant Tilly Collector Actor Robert Bruce The Bartender Actor Harry Rutherford-Jones Harry Actor Dick Jones Brown's Henchmen Actor Everett De Roche Screenwriter John Barnett Producer Antony I. Ginnane Producer John Daly Executive Producer Michael Fay Executive Producer William Fayman Executive Producer Vincent Monton Cinematographer John Laing Film Editing Brian May Original Music Bernard Hides Production Design Virginia Bieneman Art Director Aphrodite Kondos Costume Design