Knowing that is contains valuable helium gas, a gang of bad guys first tries to purchase the ranch which Gene straw-bosses. When that fails, they lay a hidden pipeline to snag the gas.
| Actor | Role |
|---|---|
 Gene AutryGene Autry | Gene Autry |
 Smiley BurnetteFrog Millhouse | Frog Millhouse |
 Jean RouverolBetty Haskell | Betty Haskell |
 Esther MuirDuchess | Duchess |
 Joe FriscoJoe Frisco | Joe Frisco |
 Frank DarienDad Haskell | Dad Haskell |
 Margaret ArmstrongMrs. Gregory | Mrs. Gregory |
 Harry HolmanDoc Trimble | Doc Trimble |
 Edward RaquelloDon Carlos | Don Carlos |
| BBen HewlettRandolph Kimball | Randolph Kimball |
 Kermit MaynardRanch Hand Slim | Ranch Hand Slim |
 George WalcottWalter Gregory | Walter Gregory |
 Ray TealMcCall | McCall |