Riders of the Plains. Word Search Puzzle Solver. Riders of the Plains word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. B-Western regulars Jack Perrin and Marilyn Mills starred in this obscure low-budget Western serial released in 15 chapters. This includes identifying and searching for words that are related to : Marilyn Mills, Kingsley Benedict, Charles Brinley, Boris Karloff, Clark Comstock, Rhody Hathaway, Ruth Royce, Jack Perrin, Western, Robert Miles, Running Elk .