 Franco NeroOnion Stark | Onion Stark |
 Sterling HaydenHenry 'Jack' Pullitzer | Henry 'Jack' Pullitzer |
 Martin BalsamPetrus Lamb | Petrus Lamb |
 Leo AnchórizSheriff | Sheriff |
 Romano Puppo'Nerone' Foster | 'Nerone' Foster |
 Nazzareno ZamperlaOblò | Oblò |
| HHelmut BraschDeputy Sheriff | Deputy Sheriff |
 Duilio CrucianiCal 'Caligola' Foster | Cal 'Caligola' Foster |
 Emma CohenMary Ann | Mary Ann |
 Dick ButkusJeff | Jeff |
 Enzo G. CastellariDeputy Sheriff (uncredited) | Deputy Sheriff (uncredited) |
 David WarbeckVillain with Sunglasses (uncredited) | Villain with Sunglasses (uncredited) |
 Antonio PicaHal Foster (uncredited) | Hal Foster (uncredited) |
 Massimo VanniBuck, Lamb Henchman | Buck, Lamb Henchman |
| FFernando CastroDutch Foster | Dutch Foster |
| WWal DavisZeke | Zeke |
 Dan van HusenDeputy Zachary | Deputy Zachary |
| AAgustín BescosOil Board Member (uncredited) | Oil Board Member (uncredited) |
 Xan das BolasSam - Merchant (uncredited) | Sam - Merchant (uncredited) |
 Charly BravoJudd (uncredited) | Judd (uncredited) |
| AAlejandro de EncisoJohn (uncredited) | John (uncredited) |
| LLeopold FrancisMack (uncredited) | Mack (uncredited) |
 Daniel MartínJim (uncredited) | Jim (uncredited) |
 George RigaudTerrateniente (uncredited) | Terrateniente (uncredited) |
| LLucy TillerViolet (uncredited) | Violet (uncredited) |
 Mariano Vidal MolinaOwen (uncredited) | Owen (uncredited) |
 Manuel ZarzoJack (uncredited) | Jack (uncredited) |
