George Watson may seem like a harmless gas-station attendant, but in reality he is a secret government agent, intent on ferreting out a gang of smugglers on the Mexican border.
| Actor | Role |
|---|---|
 Charles RayGeorge Oliver Watson | George Oliver Watson |
 Otto HoffmanHenry Jones | Henry Jones |
 Charlotte PierceSusie (his daughter) | Susie (his daughter) |
 R. Henry GreyHobart Rush | Hobart Rush |
 William A. CarrollPhilip Ashton | Philip Ashton |
 Dick Sutherland'Beauty' Strang | 'Beauty' Strang |
| BBert OffordSánchez | Sánchez |