Guest Stars Heidi Vaughn as Marie Fenlon Patricia Medina as Mrs. Corot George Voskovec as Niles Co Starring 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 Bob Orrison as Kalish Patty Elder as Barbara Nicholas Cortland as Gilbert Douglas Uncredited Steven Benson as Waiter Jack Clinton as Agent
