Guest Stars George Voskovec as Niles Patricia Medina as Mrs. Corot Heidi Vaughn as Marie Fenlon Co Starring Bob Orrison as Kalish Paul Mantee as Frank Viola 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
