- Noah Beery Jr.
- Stormy
- Jean Rogers
- Kerry Dorn
- J. Farrell MacDonald
- Trinidad Dorn
- Raymond Hatton
- Stuffy
- Walter Miller
- Craig
- Fred Kohler
- Deem Dorn
- James P. Burtis
- Greasy
- The Arizona Wranglers
- Cowhand Musicians
- Rex
- Rex
- Rex Junior
- Rex as a Colt
- Chuck Baldra
- Arizona Wranglers Band Member / Cowhand (uncredited)
- Buck Bucko
- Cowhand
- Roy Bucko
- Cowhand
- Edmund Cobb
- Brakeman
- Ken Cooper
- Cowhand
- L.F. Costello
- Arizona Wranglers Band Member 'Slicker' Costello
- W.H. Davis
- Mr. Dearman
- Art Dillard
- Cowhand
- Bert Dillard
- Cowhand
- Chester Gan
- Chinaman
- Robert Homans
- Train Conductor
- Charles Hunter
- Arizona Wranglers Band Member 'Irontail' Hunter
- John Jackson
- Arizona Wranglers Band Member 'Stoney' Jackson
- Cecil Kellogg
- Lark
- Jack Kirk
- Arizona Wranglers Band Member / Cowhand (uncredited)
- Jack Leonard
- Cowhand
- Wilfred Lucas
- Mack's Horse Trainer
- Johnny Luther
- Arizona Wranglers Band Member 'Arkansas' Johnny
- Cliff Lyons
- Cowhand
- Cactus Mack
- Arizona Wranglers Band Member Cactus
- Shirley Marks
- Young Girl
- Sam McDaniel
- Mack's Hostler
- Monte Montague
- Cowhand
- Charles Murphy
- Bartender
- Bud Osborne
- Cowhand
- Jimmy Phillips
- Cowhand
- Jack Sanders
- Cowhand
- Jack Shannon
- Cowhand
- Cal Short
- Arizona Wranglers Band Member 'Sleepy' Short
- Glenn Strange
- Arizona Wranglers Band Member 'Peewee' Strange
- Jim Welch
- Young Boy
- William Welsh
- Old Miner
- Harry Woods
- Mack - Red Wing's Owner
