The Dude Ranger
"GEORGE O'BRIEN RIDES AGAIN!...A lone galloping terror...who daunts a band of desperate criminals...and sweeps a girl into his arms...as he fights to save her from a murderous plot!"
An Easterner Inherits a cattle ranch, only to discover that thousands of cattle have been stolen. He secretly signs on as a hired hand at his own ranch to discover who's stealing them.
Directors: Edward F. Cline
Writers: Barry Barringer, Harry Chandlee, Zane Grey
Cast
IMDB: tt0025073