When three Texas Rangers try to investigate kidnapped Mexicans being used as forced labor in the mines of Silver Bullet, they are framed for murder by the town's corrupt sheriff.
| Actor | Role |
|---|---|
 William BoydHopalong Cassidy | Hopalong Cassidy |
 Andy ClydeCalifornia Carlson | California Carlson |
 Jay KirbyJohnny Travers | Johnny Travers |
 Russell SimpsonOrestes Krebs | Orestes Krebs |
 Claudia DrakeInez LaBarca | Inez LaBarca |
 George ReevesDon Enrique Perez | Don Enrique Perez |
 Robert MitchumQuinn | Quinn |
 Duncan RenaldoCommandante | Commandante |
 Pierce LydenLoren | Loren |
 Cliff ParkinsonBarton | Barton |
 Victor AdamsonMiner | Miner |
| RRoy BuckoWagon Driver | Wagon Driver |
 John CasonMiner | Miner |
| BBert DillardHenchman | Henchman |
| JJoe DominguezMexican | Mexican |
| AArt FelixTurner | Turner |
 Herman HackHenchman / Miner | Henchman / Miner |
 Earle HodginsCook | Cook |
 Bob KortmanMine Guard | Mine Guard |
| JJohnny LutherHenchman | Henchman |
| MMerrill McCormickMiner | Miner |
| LLeo J. McMahonCowhand | Cowhand |
 Charles MurphyCowhand | Cowhand |
 Bill NestellMine Guard | Mine Guard |
 Hugh ProsserMine Boss | Mine Boss |
 Dan WhiteHenchman | Henchman |
 Henry WillsHenchman | Henchman |