Mrs. O'Malley and Mr. Malone (1950)
Genres: Comedy, Mystery
Cast: Marjorie Main, James Whitmore, Ann Dvorak
Mrs. O'Malley and Mr. Malone is a 1950 comedy/murder mystery film set on board a train. It stars Marjorie Main and James Whitmore. It is based on the short story "Once Upon a Train " by Stuart Palmer and Craig Rice.