| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alberto De Martino | Crew | Directing | Second Unit Director |
 Alessandro Alessandroni | Crew | Sound | Musician |
 Amato Garbini | Crew | Costume & Make-Up | Makeup Artist |
 Andrea Crisanti | Crew | Art | Art Direction |
 Angelo Novi | Crew | Camera | Still Photographer |
 Antonio Margheriti | Crew | Crew | Special Effects |
 Benito Stefanelli | Crew | Crew | Stunts, Master at Arms |
Camillo Teti | Crew | Production | Production Manager |
 Claudio Mancini | Crew | Production | Production Supervisor, Associate Producer |
Claudio Sabatini | Crew | Camera | Assistant Camera |
Dario Micheli | Crew | Art | Set Decoration |
 Ennio Morricone | Crew | Sound | Original Music Composer, Conductor, Orchestrator |
Eros Bacciucchi | Crew | Visual Effects | Pyrotechnic Supervisor |
Franco Carretti | Crew | Costume & Make-Up | Costume Design |
Franco Delli Colli | Crew | Camera | Second Unit Director of Photography |
Franco Tocci | Crew | Camera | Key Grip |
Franco Velchi | Crew | Art | Assistant Art Director |
Fulvio Morsella | Crew | Production | Producer |
Gerry Johnston | Crew | Crew | Special Effects |
 Giancarlo Santi | Crew | Directing | Second Unit Director |
Gino Bartolini | Crew | Editing | Assistant Editor |
Giovanni Corridori | Crew | Art | Construction Coordinator, Special Effects |
Giuseppe Ruzzolini | Crew | Camera | Director of Photography |
Idelmo Simonelli | Crew | Camera | Camera Operator |
 Luciano Vincenzoni | Crew | Writing | Screenplay |
Michael Billingsley | Crew | Sound | Sound Editor |
 Nino Baragli | Crew | Editing | Editor |
Roberto De Leonardis | Crew | Writing | Dialogue |
Roberto Forges Davanzati | Crew | Camera | Assistant Camera |
 Sergio Donati | Crew | Writing | Screenplay, Story |
 Sergio Leone | Crew | Directing | Director, Screenplay, Story |
Ugo Tucci | Crew | Production | Associate Producer |
Federico Savina | Crew | Sound | Music Editor |
Tony Brandt | Crew | Directing | Assistant Director |
Ezio Di Monte | Crew | Art | Assistant Art Director |
Carlo Tritto | Crew | Writing | Dialogue |
Paolo Borselli | Crew | Costume & Make-Up | Hairstylist |
Fausto Ancillai | Crew | Sound | Sound Mixer |
Serena Canevari | Crew | Directing | Continuity |
 Antonio Palombi | Crew | Art | Construction Coordinator |
Rossana Maiuri | Crew | Editing | First Assistant Editor |
Luisa Buratti | Crew | Costume & Make-Up | Key Costumer |
Massimo Massimi | Crew | Lighting | Gaffer |
Olga Sarra | Crew | Editing | Assistant Editor |
Alessandro Ruzzolini | Crew | Camera | Assistant Camera |
Vasco Mafera | Crew | Production | Production Secretary |
Raffaello Forti | Crew | Production | Production Accountant |
Edda Dell'Orso | Crew | Sound | Musician |
Massimiliano Terzo | Crew | Camera | Assistant Camera |
 Alberigo Donadeo | Cast | Actor | Santerna's Man (uncredited) |
 Aldo Sambrell | Cast | Actor | Mexican Officer (uncredited) |
Amato Garbini | Cast | Actor | Policeman on Train |
 Antoine Saint-John | Cast | Actor | Col. Günther Reza |
 Antonio Casale | Cast | Actor | Notary on Stagecoach |
Benito Stefanelli | Cast | Actor | |
Claudio Mancini | Cast | Actor | Mexican Army Captain (uncredited) |
 Corrado Solari | Cast | Actor | Napoleon Miranda |
 David Warbeck | Cast | Actor | Sean Nolan |
Florencio Amarilla | Cast | Actor | Revolutionary (uncredited) |
 Franco Graziosi | Cast | Actor | Governor Jaime |
Franco Tocci | Cast | ||
 Franco Ukmar | Cast | Actor | Soldier in Mesa Verde Bank (uncredited) |
 Furio Meniconi | Cast | Actor | Innkeeper |
 Giulio Battiferri | Cast | Miguel | |
Goffredo Pistoni | Cast | Miranda's Father | |
 James Coburn | Cast | Actor | John H. Mallory |
 Jean Rougeul | Cast | Actor | Priest on Stagecoach |
 John Frederick | Cast | Actor | American on Stagecoach |
 Maria Monti | Cast | Actress | Woman on Stagecoach |
 Memè Perlini | Cast | Actor | Miranda's Son |
 Nazzareno Natale | Cast | Actor | |
 Omar Bonaro | Cast | Actor | Revolutionary |
 Poldo Bendandi | Cast | Actor | Revolutionary |
 Riccardo Pizzuti | Cast | Actor | Santerna's Man (uncredited) |
 Rik Battaglia | Cast | Actor | Santerna |
 Rod Steiger | Cast | Actor | Juan Miranda |
 Romolo Valli | Cast | Actor | Dr. Villega |
 Rosita Torosh | Cast | Actress | |
 Roy Bosier | Cast | Actor | Landowner on Stagecoach |
 Sergio Calderón | Cast | Actor | Revolutionary (uncredited) |
 Stefano Oppedisano | Cast | Actor | Revolutionary |
 Michael Harvey | Cast | Actor | Coachman |
 Tony Casale | Cast | Mesa Verde Bank Prisoner (uncredited) | |
Vincenzo Norvese | Cast | Miranda Gang Member | |
 Paolo Figlia | Cast | Actor | Soldier in Mesa Verde Bank (uncredited) |
 Romano Milani | Cast | Mesa Verde Bank Prisoner (uncredited) | |
 Vivienne Chandler | Cast | Actress | John's Girlfriend |
Renato Pontecchi | Cast | Pepe Miranda | |
Biagio La Rocca | Cast | ||
 Simon van Collem | Cast | Actor | Conductor (uncredited) |
Luigi Tripodi | Cast | Revolutionary (uncredited) | |
| Person | Type | Job | Role(s) |
