Cast
Sam McDaniel
Mack's Hostler (uncredited)
Bud Osborne
Cowhand (uncredited)
Jean Rogers
Kerry Dorn
Raymond Hatton
Stuffy
Rex
Rex (as Rex King of Wild Horses)
Wilfred Lucas
Mack's Horse Trainer (uncredited)
Monte Montague
Cowhand (uncredited)
Noah Beery Jr.
Stormy
J. Farrell MacDonald
Trinidad Dorn
Walter Miller
Craig
James P. Burtis
Greasy
Harry Woods
Mack - Red Wing's Owner (uncredited)
Glenn Strange
Arizona Wranglers Band Member 'Peewee' Strange (uncredited)
Edmund Cobb
Brakeman (uncredited)
Chester Gan
Chinaman (uncredited)
Robert Homans
Train Conductor (uncredited)
Cliff Lyons
Cowhand (uncredited)
Fred Kohler
Deem Dorn
Cactus Mack
Arizona Wranglers Band Member Cactus (uncredited)