- Country: USA
- Genres: Comedy, Crime, Mystery
- Release: 1950-12-08
- Director: Norman Taurog
- Writers: William Bowers , Craig Rice , Stuart Palmer
- Language: English | Greek
- Stars: Marjorie Main , James Whitmore , Ann Dvorak , Phyllis Kirk , Fred Clark , Dorothy Malone , Clinton Sundberg , Douglas Fowley , Willard Waterman , Don Porter
- Runtime: 69 min
- Awards: N/A
- AKA: Mrs. O'Malley and Mr. Malone (Australia) , Mrs. O'Malley and Mr. Malone (Canada) , Mrs. O'Malley and Mr. Malone (New Zealand) , Suspected of Murder (South Africa) , Mrs. O'Malley and Mr. Malone (United States of America) , Trem de Surpresas (Brazil) , Doamna O'Malley şi Domnul Malone (Romania) , The Loco Motive (United States of America) , Mrs. O'Malley and Mr. Malone , Mrs. O'Malley and Mr. Malone (Canada) , Trem das Surpresas (Brazil) , La muerte va de viaje (Mexico)
- Plot: "Murder-on-the-train" mystery has lawyer Malone chasing his paroled embezzler client (Kepplar) who still hasn't paid Malone's fee. When Kepplar jumps parole on a train to Chicago, Malone follows, in company with Kepplar's ex-wife, a police inspector and Mrs. O'Malley, a hearty radio contest winner from Montana. Kepplar is murdered, and a game of musical corpses commences, with hijinks in coach corridors as Malone and Hattie search for the killer.
- IMDB:tt0042755
Mrs. O’Malley and Mr. Malone Cast · · · ALL
Norman Taurog
Director
Marjorie Main
Harriet O'Malley
James Whitmore
John Malone
Ann Dvorak
Connie Kepplar
Phyllis Kirk
Kay
Fred Clark
Tim Marino
Dorothy Malone
Lola Gillway
Clinton Sundberg
Donald
Douglas Fowley
Steve Kepplar
Willard Waterman
Mr. Ogle
Don Porter
Myron Brynk
Jack Bailey
Game Show Host
Nancy Saunders
Joanie
James Burke
The Train Conductor
Frank Cady
Harry (uncredited)
Mae Clarke
Train Passenger (uncredited)
Regis Toomey
Reporter (uncredited)