Both Indians and cowboys are after a beautiful stallion, the leader of a pack of wild horses.
| Actor | Role |
|---|---|
 Dave O'BrienNot listed | Not listed |
 Rick VallinNot listed | Not listed |
 Iron Eyes CodyNot listed | Not listed |
| SSally CairnsLucy Clark | Lucy Clark |
| BBarbara FelkerPrincess Telenika | Princess Telenika |
 Chief YowlachieChief Matapotan | Chief Matapotan |
 Chief ThundercloudHahawi | Hahawi |
| TThunderNakoma, the Black Stallion | Nakoma, the Black Stallion |
 Ted AdamsJake Barlow | Jake Barlow |
 Gordon De MainPop Clark | Pop Clark |
 Forrest TaylorNick Henshaw | Nick Henshaw |
| JJ.W. CodyManka | Manka |
| CChris Willow BirdIndian (uncredited) | Indian (uncredited) |
| CCharles BrunnerIndian (uncredited) | Indian (uncredited) |
 Fred BurnsArmy Captain (uncredited) | Army Captain (uncredited) |
| Iron Eyes CodyIndian in Horse-Pursuit Party (uncredited) | Indian in Horse-Pursuit Party (uncredited) |
| CChief Many TreatiesIndian (uncredited) | Indian (uncredited) |
| GGeorge Sky EagleIndian (uncredited) | Indian (uncredited) |
 Billy WilkersonTonga - Co-leader of Horse-Pursuit Party (uncredited) | Tonga - Co-leader of Horse-Pursuit Party (uncredited) |