Because of his difficult character, Colonel Lennox, commanding at Fort Sharp, a remote outpost on the border of the United States is hated by the soldiers of his troop. The situation is even more complicated when the fort is attacked by Indians.
| Actor | Role |
|---|---|
 Broderick CrawfordCol. Lenox | Col. Lenox |
 Elisa MontésBrenda | Brenda |
 Mario ValdemarinCapt. Clermont | Capt. Clermont |
 Umberto CerianiMedico | Medico |
 Ugo SassoSgt. Ross | Sgt. Ross |
 Carlos MendyNot listed | Not listed |
 Alfonso EstelaNot listed | Not listed |
 Tomás PicóNot listed | Not listed |
 José CanalejasNot listed | Not listed |
 José Marcocabo Brandy | cabo Brandy |
| LLina YegrosNot listed | Not listed |
 Mercedes BarrancoNot listed | Not listed |
| MMaría Antonia HernándezNot listed | Not listed |
 Alicia AltabellaNot listed | Not listed |
| KKetty de la CámaraNot listed | Not listed |
| JJosé TruchadoNot listed | Not listed |
| FFrancisco GuijarNot listed | Not listed |
 Julio Peñasergente Miles | sergente Miles |
 Nando AngeliniNot listed | Not listed |