Giuliano Gemma stars as a cool, cocky mercenary enlisted by a sheriff to infiltrate a ruthless gang of outlaws. Ennio Morricone provided the score to this early spaghetti western hit.
| Actor | Role |
|---|---|
 Giuliano GemmaRingo | Ringo |
 Fernando SanchoSancho | Sancho |
 Lorella De LucaMiss Ruby | Miss Ruby |
 Nieves NavarroDolores | Dolores |
 Antonio CasasMaj. Clyde | Maj. Clyde |
 José Manuel MartínPedro | Pedro |
| MManuel MuñizTim | Tim |
 Juan CazalillaMr. Jenkinson - Bank director | Mr. Jenkinson - Bank director |
| PPablito AlonsoChico - Mexican boy | Chico - Mexican boy |
 Nazzareno ZamperlaSancho's gang member | Sancho's gang member |
| FFrancisco SanzThe colonel | The colonel |
 Jose HalufiSancho's gang member | Sancho's gang member |
 George MartinBen - the sheriff | Ben - the sheriff |
| JJuan TorresHenry - Bank clerk | Henry - Bank clerk |
 Frank OliverasBandit (uncredited) | Bandit (uncredited) |
 Duccio TessariDeputy Sheriff (uncredited) | Deputy Sheriff (uncredited) |