Sergeant Carlos Olivarez (Buck Jones) becomes entangled in the machinations of an oil baron, havoc-wreaking bandits, and the femme fatale who ruined his brother.
| Actor | Role |
|---|---|
 Buck JonesSergeant Carlos Olivarez | Sergeant Carlos Olivarez |
 Mona MarisConsuela Delgado | Consuela Delgado |
 Philo McCulloughClark | Clark |
 Doris HillDolores Ruiz | Dolores Ruiz |
 George J. LewisRamon Ruiz | Ramon Ruiz |
 Paul FixJuan Olivarez | Juan Olivarez |
 Charles RequaAndres | Andres |
 James DurkinSeñor Ruiz | Señor Ruiz |
 Harry SemelsBandido Leader | Bandido Leader |
 Charles StevensPedro | Pedro |