 Noah Beery Jr.Stormy | Stormy |
 Jean RogersKerry Dorn | Kerry Dorn |
 J. Farrell MacDonaldTrinidad Dorn | Trinidad Dorn |
 Raymond HattonStuffy | Stuffy |
 Walter MillerCraig | Craig |
 Fred KohlerDeem Dorn | Deem Dorn |
 James P. BurtisGreasy | Greasy |
 RexRex (as Rex King of Wild Horses) | Rex (as Rex King of Wild Horses) |
| RRex JuniorRex as a Colt (as Rex Jr.) | Rex as a Colt (as Rex Jr.) |
| BBuck BuckoCowhand (uncredited) | Cowhand (uncredited) |
| RRoy BuckoCowhand (uncredited) | Cowhand (uncredited) |
 Edmund CobbBrakeman (uncredited) | Brakeman (uncredited) |
| WW.H. DavisMr. Dearman (uncredited) | Mr. Dearman (uncredited) |
| AArt DillardCowhand (uncredited) | Cowhand (uncredited) |
| BBert DillardCowhand (uncredited) | Cowhand (uncredited) |
 Chester GanChinaman (uncredited) | Chinaman (uncredited) |
 Robert HomansTrain Conductor (uncredited) | Train Conductor (uncredited) |
 Wilfred LucasMack's Horse Trainer (uncredited) | Mack's Horse Trainer (uncredited) |
 Cliff LyonsCowhand (uncredited) | Cowhand (uncredited) |
 Cactus MackArizona Wranglers Band Member Cactus (uncredited) | Arizona Wranglers Band Member Cactus (uncredited) |
 Sam McDanielMack's Hostler (uncredited) | Mack's Hostler (uncredited) |
 Monte MontagueCowhand (uncredited) | Cowhand (uncredited) |
 Bud OsborneCowhand (uncredited) | Cowhand (uncredited) |
| JJimmy PhillipsCowhand (uncredited) | Cowhand (uncredited) |
 Harry WoodsMack - Red Wing's Owner (uncredited) | Mack - Red Wing's Owner (uncredited) |
 Glenn StrangeArizona Wranglers Band Member 'Peewee' Strange (uncredited) | Arizona Wranglers Band Member 'Peewee' Strange (uncredited) |
