A boy's family is wiped out in an Indian massacre of a wagon train and he is captured. He befriends a wild colt. Years later, following his escape, he is recaptured by Indians who force him to fight their vicious devil horse . The horse looks somewhat familiar.
| Actor | Role |
|---|---|
 Yakima CanuttDave Carson | Dave Carson |
 Gladys McConnellMarion Morrow | Marion Morrow |
 Bob KortmanProwling Wolf (as Robert Kortman) | Prowling Wolf (as Robert Kortman) |
 Roy ClementsMajor Morrow | Major Morrow |
 RexThe Devil Horse (as Rex - King of Horses) | The Devil Horse (as Rex - King of Horses) |
| FFred Jackman Jr.Young Dave (as Master Fred Jackman) | Young Dave (as Master Fred Jackman) |
| LLady the HorseLady, A Silver Mare | Lady, A Silver Mare |