Roar of the Iron Horse. Word Search Puzzle Solver. Roar of the Iron Horse word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. 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. This includes identifying and searching for words that are related to : Pierce Lyden, Virginia Herrick, Myron Healey, George Eldredge, Frank Ellis, Mickey Simpson, Harold Landon, Rusty Wescoatt, Jack Ingram, Dick Curtis, William Fawcett, Hugh Prosser, Western, Jock Mahoney .