Mrs. O'Malley and Mr. Malone they'll tickle the nation's funny bone! Harriet O'Malley tries to solve a murder aboard a train en route to New York. Details Casts Videos Posters Title Mrs. O'Malley and Mr. Malone Release Date 1950-12-08 Runtime 01 Hours 09 Minutes Genres Mystery Comedy Production Companies Metro-Goldwyn-Mayer Production Countries United States of America 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... Basil Tellou... The Greek... James Burke... The Train Conductor... Frank Cady... Harry (uncredited)... Mae Clarke... Train Passenger (uncredit... Regis Toomey... Reporter (uncredited)... Mrs O'Malley And Mr Malone Original Trailer (Trailer) Original Size (1175x1763) Original Size (500x750)