Guest Stars Heidi Vaughn as Marie Fenlon George Voskovec as Niles Patricia Medina as Mrs. Corot Co Starring Paul Mantee as Frank Viola Bob Orrison as Kalish Gregory Morton as Prof. Brooks Fenlon Len Wayland as Chief Wedlow Bert Kramer as Boyle William H. Burton Jr. as Harker Tom Stewart as Dr. Norman Wellesley Patty Elder as Barbara Nicholas Cortland as Gilbert Douglas Uncredited Steven Benson as Waiter Jack Clinton as Agent
