Alfred Hitchcock Host, Executive Producer Carolyn Kearney Julie Barton Actor Dick York Tom Barton Actor Ted de Corsia Lt. Christensen Actor Howard Caine Mr. Dahl Actor Bill Quinn Mr. Dutton Actor Frank Milan Dr. Vaughn Actor Roger De Koven Dr. Karlweiss Actor Keith Britton The Policeman Actor Larry Perron Charles Brunner Actor Tom Gilleran The Delivery Man Actor Helen Nielsen Writer Norman Lloyd Director