Mrs. O'Malley and Mr. Malone
- Anno: 1950
- Nazione: United States of America
- Genere: Mistero, Commedia
- Studio: Metro-Goldwyn-Mayer
- Parola chiave: murder, train, railroad, screwball comedy
- Direttore: Norman Taurog
- Cast: Marjorie Main, James Whitmore, Ann Dvorak, Phyllis Kirk, Fred Clark, Dorothy Malone