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My Pal Trigger (1946)
directed by Frank McDonald, Yakima Canutt
featuring Roy Barcroft, Roy Rogers, Al Bridge, Dale Evans, George "Gabby" Hayes, Harlan Briggs, Jack Holt, Paul E. Burns, Kenne Duncan, LeRoy Mason -
Rainbow Valley (1935)
directed by Robert North Bradbury
featuring John Wayne, LeRoy Mason, George "Gabby" Hayes -
Texas Terror (1935)
directed by Robert North Bradbury
featuring John Wayne, Lucille Browne, LeRoy Mason -
The Mystery Man (1935)
directed by Ray McCarey
featuring Robert Armstrong, Maxine Doyle, Henry Kolker, LeRoy Mason, James Burke -
The Painted Stallion [Serial] (1937)
directed by Alvin J. Neitz, Ray Taylor, William Witney
featuring Hoot Gibson, Sammy McKim, LeRoy Mason, Jack Perrin, Ray "Crash" Corrigan -
The Dude Ranger (1934)
directed by Edward F. Cline
featuring George O'Brien, Irene Hervey, LeRoy Mason, Henry Hall -
Round-Up Time in Texas (1937)
directed by Joseph Kane
featuring Gene Autry, Smiley Burnette, Maxine Doyle, The Cabin Kids, LeRoy Mason -
Ghost Town Gold (1936)
directed by Joseph Kane
featuring Robert Livingston, Max "Alibi" Terhune, Kay Hughes, LeRoy Mason, Ray "Crash" Corrigan -
Silver Stallion (1941)
directed by Edward F. Finney
featuring David Sharpe, Janet Waldo, LeRoy Mason, Thornton Edwards -
Black Gold (1936)
directed by Russell Hopton
featuring Frankie Darro, LeRoy Mason, Gloria Shea, Berton Churchill, Stanley Fields -
The Range Busters (1940)
directed by Roy S. Luby
featuring Ray "Crash" Corrigan, Max "Alibi" Terhune, Luana Walters, LeRoy Mason, Earl Hodgins -
It Happened Out West (1937)
directed by Howard P. Bretherton
featuring Paul Kelly, Judith Allen, Johnny Arthur, LeRoy Mason, Steve Clemente -
Yodelin' Kid from Pine Ridge (1937)
directed by Joseph Kane
featuring Gene Autry, Smiley Burnette, Betty Bronson, Jack Kirk, LeRoy Mason, Art Mix, Charles B. Middleton -
Fury Below (1937)
directed by Harry L. Fraser
featuring Russell Gleason, Maxine Doyle, LeRoy Mason, Sheila Terry, Matthew Betz -
Are We Civilized? (1934)
directed by Edwin Carewe
featuring William Farnum, Anita Louise, Frank McGlynn, Sr., LeRoy Mason, Oscar Apfel -
Topa Topa (1938)
directed by Charles Hutchinson, Vin Moore
featuring James Bush, Ruth Coleman, Helen Hughes, LeRoy Mason, Joan Valerie -
Valley of Wanted Men (1935)
directed by Alan James
featuring Frankie Darro, Paul Fix, LeRoy Mason, Walter Miller, Grant Withers -
Outlaw Express (1938)
directed by George Waggner
featuring Bob Baker, Cecilia Callejo, LeRoy Mason, Forrest Taylor, Nina Campana -
Western Mail (1942)
directed by Robert Emmett Tansey
featuring Tom Keene, Frank Yaconelli, LeRoy Mason, Jean Trent, Fred Kohler, Jr.