It seems that an evil saloon owner not only wants this valuable steed for himself, but also its owner, the beautiful Mary Ellis. Enter honest gambler Jack Crosby, who wants to settle the score.
| Actor | Role |
|---|---|
 RexRex, Mary's Horse (as Rex the Wonder Horse) | Rex, Mary's Horse (as Rex the Wonder Horse) |
 Jack PerrinJack Crosby | Jack Crosby |
 Ethlyne ClairMary Ellis | Mary Ellis |
 Theodore LorchLuke Conner | Luke Conner |
 Nelson McDowellJohn Ellis | John Ellis |
| SStarlight the HorseStarlight, Jack's Horse | Starlight, Jack's Horse |