 Robert WoodsGregor MacGregor | Gregor MacGregor |
 Fernando SanchoMiguel | Miguel |
 Agata FloriRosita Carson | Rosita Carson |
 Leo AnchórizSantillana | Santillana |
 Manuel ZarzoDavid MacGregor | David MacGregor |
 Nazzareno ZamperlaPeter MacGregor | Peter MacGregor |
 Paolo MagalottiKenneth MacGregor | Kenneth MacGregor |
| JJulio Pérez TaberneroMark MacGregor | Mark MacGregor |
 Saturno CerraJohnny MacGregor | Johnny MacGregor |
 Alberto Dell'AcquaDick MacGregor | Dick MacGregor |
 Perla CristalPerla | Perla |
 George RigaudAlastair MacGregor | Alastair MacGregor |
 Massimo RighiBandido | Bandido |
| FFrancesco TensiHarold MacGregor | Harold MacGregor |
| AAna María NoéMamie MacGregor | Mamie MacGregor |
 Margherita HorowitzAnnie MacGregor | Annie MacGregor |
 Rafael BardemJudge Garland | Judge Garland |
 Antonio Molino RojoSheriff John F. Mason | Sheriff John F. Mason |
 Cris HuertaCrawford | Crawford |
 Pierre CressoyBandido | Bandido |
 Manuel Bermúdez 'Boliche'Santillana Henchman (uncredited) | Santillana Henchman (uncredited) |
 Xan das BolasBarman (uncredited) | Barman (uncredited) |
 Rafael HernándezBarman (uncredited) | Barman (uncredited) |
 Antonio IranzoBandido (uncredited) | Bandido (uncredited) |
 Víctor IsraelPianist (uncredited) | Pianist (uncredited) |
| JJosé Luis LluchBandido (uncredited) | Bandido (uncredited) |
 Ángel MenéndezBanquero (uncredited) | Banquero (uncredited) |
 Guillermo MéndezBandido (uncredited) | Bandido (uncredited) |
 Nazzareno NataleBandido (uncredited) | Bandido (uncredited) |
| AAntonio OrengoHorse Seller (uncredited) | Horse Seller (uncredited) |
