The Army sends Tex Masters to find out who is supplying Indians with military guns.
| Actor | Role |
|---|---|
 Tex RitterTex Masters | Tex Masters |
 Nelson McDowellRawhide (Lucky in credits) | Rawhide (Lucky in credits) |
 Muriel EvansRuth Benson | Ruth Benson |
| NNolan WillisHenchman Slade | Henchman Slade |
 Steve ClarkHenchman Trigger | Henchman Trigger |
 Tom LondonHenchman Matt Grimes | Henchman Matt Grimes |
 Reed HowesSteve Coleman | Steve Coleman |
 Frank EllisDoc Williams | Doc Williams |
 Kenne DuncanCaptain Clay | Captain Clay |
 Frank LaRueBenson | Benson |
| CChick HannanPioneer Rider | Pioneer Rider |
| WWhite FlashTex's Horse | Tex's Horse |
 Victor AdamsonWagon Driver (uncredited) | Wagon Driver (uncredited) |
 Gene AlsaceWagon Train Man (uncredited) | Wagon Train Man (uncredited) |