Roar of the Iron Horse
- Cast: Jock Mahoney, Virginia Herrick, William Fawcett, Harold Landon, Jack Ingram
- Duration: 260 minutes
- Genre: Western
- Rating: 6/10
- Release Date: 1951-05-31
Columbia Pictures elevated stunt man Jock O'Mahoney to stardom in this 15 chapter western serial about the building of the transcontinental railroad. O'Mahoney played a railroad agent who uncovers the master criminal behind a series of sabotage attempts on the construction site.
