| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alberto Bartolomei | Crew | Sound | Sound Engineer |
Domenico Scala | Crew | Camera | Director of Photography |
Emanuele Di Cola | Crew | Camera | Camera Operator |
Federico De Urrutia | Crew | Writing | Screenplay, Story |
Franco Calabrese | Crew | Art | Set Decoration |
Gianni Ferrio | Crew | Sound | Music |
José Luis Galicia | Crew | Art | Art Direction |
 Julio Buchs | Crew | Directing | Director, Screenplay, Story |
 Lucio Fulci | Crew | Writing | Writer |
Magdalena Pulido | Crew | Editing | Editor |
Miguel Fernández Mila | Crew | Camera | Director of Photography |
Ricardo Sanz | Crew | Production | Executive Producer |
 José Mallorquí | Crew | Writing | Story |
Andrés Vich | Crew | Directing | Script Supervisor |
Rafael Abienzo | Crew | Costume & Make-Up | Costume Design |
Silvio Battistini | Crew | Production | Executive Producer |
Santiago Zuazo | Crew | Camera | Camera Operator |
Humberto Cornejo | Crew | Costume & Make-Up | Costume Design |
Cecilia Gómez | Crew | Editing | Editor |
 Adriano Domínguez | Cast | Actor | |
 Alfonso Rojas | Cast | Actor | Paul Powers - Tunstill's Foreman |
Alfonso de la Vega | Cast | Hols - Travis's Henchman | |
Alfredo Santacruz | Cast | General | |
Antonio Cintado | Cast | Actor | Aguador (uncredited) |
 Antonio Molino Rojo | Cast | Actor | Tom MacGregor |
Antonio Orengo | Cast | Actor | Mexican Landowner (uncredited) |
 Antonio Pica | Cast | Actor | Mark Travis |
 Barta Barri | Cast | Actor | Rancher - Tunstill's Neighbor |
 Carlos Casaravilla | Cast | Actor | Jackson Murphy |
 Carmen Porcel | Cast | Actress | Mrs. Patterson |
 Dyanik Zurakowska | Cast | Actress | Helen Tunstill |
 Enrique Ávila | Cast | Actor | Hank - Fort Summer Saloonkeeper |
 Erasmo Pascual | Cast | Actor | Erasco Colmenero |
 Fausto Tozzi | Cast | Actor | Pat Garrett |
 Fernando Bilbao | Cast | Actor | Aguador (uncredited) |
 Francisco Sanz | Cast | Actor | Peddler |
 Frank Braña | Cast | Actor | Murphy's Henchman (uncredited) |
 Gloria Milland | Cast | Actress | Mrs. Kathleen Bonney |
Gonzalo de Esquiroz | Cast | Actor | Greg - Travis's Henchman |
 José Canalejas | Cast | Actor | Jake - Travis's Henchman |
 José Orjas | Cast | Actor | José Gonzalez (uncredited) |
 José Riesgo | Cast | Actor | Comprador de armas (uncredited) |
 Juan Cazalilla | Cast | Actor | Barman (uncredited) |
 Luis Barboo | Cast | Actor | MacGregor's Henchman (uncredited) |
 Luis Induni | Cast | Actor | Maurice - Travis's Henchman |
 Luis Prendes | Cast | Actor | John Tunstill |
Luis Rivera | Cast | Actor | Mark Liston |
 Manuel Alexandre | Cast | Actor | Manuel Albarca - Gravedigger |
 Margot Cottens | Cast | Actress | Mrs. Huerte |
 María Isbert | Cast | Actress | Cotilla |
Miguel Armario | Cast | Ciudadano (uncredited) | |
 Miguel Palenzuela | Cast | Actor | Peter 'Mac' MacGregor |
Miguel de la Riva | Cast | Actor | Cavalry Lieutnant |
 Milo Quesada | Cast | Actor | Raul Alonso - Rustler Leader |
Orlando Baralla | Cast | Governor of New Mexico | |
 Peter Lee Lawrence | Cast | Actor | William 'Billy the Kid' Bonney |
 Pilar Gómez Ferrer | Cast | Actress | Ciudadana (uncredited) |
 Rafael Hernández | Cast | Actor | Ciudadano (uncredited) |
 Rufino Inglés | Cast | Actor | Ciudadano (uncredited) |
 Santiago Rivero | Cast | Actor | Silver City Saloonkeeper |
Simón Arriaga | Cast | Pablo - Garcia's Henchman / Cattle Rustler (uncredited) | |
 Tito García | Cast | Actor | Francisco (uncredited) |
 Tomás Blanco | Cast | Actor | Peter - Helen's Uncle |
 Vicente Roca | Cast | Actor | Ciudadano (uncredited) |
 Álvaro de Luna | Cast | Actor | Aguador (uncredited) |
Ángel Menéndez | Cast | Jugador (uncredited) | |
José Luis Lizalde | Cast | Actor | Hotelero (uncredited) |
Chiro Bermejo | Cast | Bocazas (uncredited) | |
 Emilio Rodríguez | Cast | Store Customer (uncredited) | |
Mario Filippo | Cast | ||
| Person | Type | Job | Role(s) |
