Arch Oboler Director, Screenwriter John Hodiak Tony Arnelo Actor George Murphy Theodore "Ted' Parkson Actor Frances Gifford Anne Parkson Actor Dean Stockwell Ricky Parkson Actor Eve Arden Vivian Delwyn Actor Warner Anderson Det. Sam Leonard Actor Lowell Gilmore Dr. Avery Border Actor Archie Twitchell Roger Alison Actor Ruth Brady Dorothy Alison Actor Ruby Dandridge Maybelle Actor Joan Woodbury Claire Lorrison Actor Jerry Bresler Producer Charles Salerno Jr. Cinematographer Harry Komer Film Editing George Bassman Original Music