Happy Go Lucky is a 1943 American comedy film directed by Curtis Bernhardt and written by Walter DeLeon, Melvin Frank, John Jacoby and Norman Panama. The film stars Mary Martin, Dick Powell, Betty Hutton, Eddie Bracken, Rudy Vallée, Mabel Paige and Eric Blore. The film was released on January 4, 1943, by Paramount Pictures. It might be best remembered now for Betty Hutton's energetic performance of the song "Murder, He Says," written by Frank Loesser and Jimmy McHugh.