| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adriano Bolzoni | Crew | Writing | Co-Writer |
 Alberto Grimaldi | Crew | Production | Producer |
 Alejandro Ulloa | Crew | Camera | Director of Photography |
Antonio Benetti | Crew | Camera | Still Photographer |
 Bruno Nicolai | Crew | Sound | Original Music Composer |
Celeste Battistelli | Crew | Crew | Special Effects |
 Ennio Morricone | Crew | Sound | Original Music Composer |
Eugenio Alabiso | Crew | Editing | Editor |
Francesco Merli | Crew | Production | Production Manager, Associate Producer |
 Franco Solinas | Crew | Writing | Story |
 Giorgio Arlorio | Crew | Writing | Story |
 Hans Burmann | Crew | Camera | Camera Operator |
Jürgen Henze | Crew | Costume & Make-Up | Costume Design |
 Luciano Vincenzoni | Crew | Writing | Screenplay |
Luis Vázquez | Crew | Art | Production Design, Set Decoration |
Manuel Castedo | Crew | Production | Production Manager |
Piero Filippone | Crew | Art | Production Design |
Raul Ranieri | Crew | Costume & Make-Up | Makeup Artist |
 Remo De Angelis | Crew | Crew | Master at Arms |
Sergio Bergamini | Crew | Camera | Camera Operator |
 Sergio Corbucci | Crew | Directing | Director, Co-Writer |
Sergio Spina | Crew | Writing | Co-Writer |
Giusy Bovino | Crew | Costume & Make-Up | Hairstylist |
Renato Cadueri | Crew | Sound | Sound Mixer |
Carlo Diotallevi | Crew | Sound | Sound |
Filiberto Fiaschi | Crew | Directing | First Assistant Director |
Serafín García Trueba | Crew | Production | Production Secretary |
Vázquez Hermanos | Crew | Art | Set Decoration |
Alfredo Polo | Crew | Sound | Sound |
Julio Leyva | Crew | Camera | Assistant Camera |
Isidro Muro | Crew | Camera | Assistant Camera |
Franca Invernizzi | Crew | Directing | Script Supervisor |
Pietro Nofri | Crew | Production | Unit Manager |
Luis Vázquez | Crew | Art | Art Direction |
Alejandro Millón | Crew | Costume & Make-Up | Makeup Artist |
Serafín García | Crew | Production | Production Secretary |
Ricardo Huertas | Crew | Directing | First Assistant Director |
Orlando Pierfederici | Crew | Production | Production Secretary |
Pina Triunveri | Crew | Editing | Assistant Editor |
José Nuño de la Rosa | Crew | Production | Production Secretary |
Alejandro de Enciso | Cast | Juan | |
 Eduardo Fajardo | Cast | Actor | Alfonso García |
 Enrique Navarro | Cast | Notary (uncredited) | |
Fernando Villena | Cast | Actor | Sergeant (uncredited) |
 Francisco Nieto | Cast | Actor | Antonio (uncredited) |
 Franco Giacobini | Cast | Actor | Pepote |
 Franco Nero | Cast | Actor | Sergei Kowalski, The Polish |
 Franco Ressel | Cast | Actor | Studs |
 Giovanna Ralli | Cast | Actress | Columba |
 Guillermo Méndez | Cast | Actor | Captain (uncredited) |
 Jack Palance | Cast | Actor | Ricciolo ("Curly") |
 José Canalejas | Cast | Actor | Lerkin |
 José Riesgo | Cast | Actor | Garcia's Brother (uncredited) |
 Juan Cazalilla | Cast | Actor | Mayor |
 Julio Peña | Cast | Actor | (uncredited) |
 Lorenzo Robledo | Cast | Actor | Officer (uncredited) |
 Milo Quesada | Cast | Actor | Marco (uncredited) |
 Raf Baldassarre | Cast | Actor | Mateo |
Remo De Angelis | Cast | Actor | Hudo |
Simón Arriaga | Cast | Simón | |
 Tito García | Cast | Actor | Garcia's Cousin (uncredited) |
 Tony Musante | Cast | Actor | Paco Roman |
Ugo Adinolfi | Cast | Actor | |
 Vicente Roca | Cast | Actor | Elias Garcia (uncredited) |
 Álvaro de Luna | Cast | Actor | Ramon |
Ángel Ortiz | Cast | Mexican #3 (uncredited) | |
 Ángel Álvarez | Cast | Actor | Notary (uncredited) |
Joe Kamel | Cast | Actor | Sebastian |
José Luis Lizalde | Cast | Actor | Innkeeper (uncredited) |
Herman Reynoso | Cast | Curly's 2nd Man (uncredited) | |
A. Jiménez Castellanos | Cast | (uncredited) | |
José María Aguinaco | Cast | Ramirez | |
| Person | Type | Job | Role(s) |
