| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alec Mills | Crew | Camera | Camera Operator |
Arnold Laven | Crew | Production | Executive Producer |
Arthur Gardner | Crew | Production | Executive Producer |
 Cecilio Paniagua | Crew | Camera | Director of Photography |
Don Medford | Crew | Directing | Director |
Enrique Alarcón | Crew | Art | Art Direction |
Evelyn Rutledge | Crew | Sound | Sound Effects Editor |
 Fiorella Mannoia | Crew | Crew | Stunt Double |
Gil Carretero | Crew | Directing | Assistant Director |
Gilbert Ralston | Crew | Writing | Story, Screenplay |
José Antonio Sánchez | Crew | Costume & Make-Up | Makeup Artist |
José María Ochoa | Crew | Directing | Assistant Director |
Juan Maján | Crew | Crew | Stunt Coordinator |
Jules V. Levy | Crew | Production | Executive Producer |
Les Hammond | Crew | Sound | Sound |
Lou Morheim | Crew | Writing | Story, Producer, Screenplay |
Manuel Baquero | Crew | Crew | Special Effects |
Rafael Salazar | Crew | Art | Set Decoration |
 Riz Ortolani | Crew | Sound | Music, Conductor |
Tom Rolf | Crew | Editing | Editor |
Tony Pueo | Crew | Costume & Make-Up | Wardrobe Supervisor |
Julio Vallejo | Crew | Production | Production Manager |
Ron Drinkwater | Crew | Camera | Focus Puller |
William W. Norton | Crew | Writing | Screenplay |
Geoffrey Haine | Crew | Production | Production Supervisor |
María Luisa Pino | Crew | Editing | Assistant Editor |
 Bernard Kay | Cast | Actor | Buford King |
 Candice Bergen | Cast | Actress | Melissa Ruger |
 Charly Bravo | Cast | Actor | Cowboy |
 Dean Selmier | Cast | Actor | Collins |
 Francesca Tu | Cast | Actress | Chinese Girl |
 G. D. Spradlin | Cast | Actor | Sam Bayard |
 Gene Hackman | Cast | Actor | Brandt Ruger |
 L.Q. Jones | Cast | Actor | Hog Warren |
 Marian Collier | Cast | Actress | Teacher |
María Luisa Tovar | Cast | Actress | Mexican Girl (uncredited) |
 Mitchell Ryan | Cast | Actor | Doc Harrison |
 Oliver Reed | Cast | Actor | Frank Calder |
 Philippe Mareuil | Cast | Actor | Doublure voix française de L.Q. Jones |
 Rafael Albaicín | Cast | Actor | Mexican (uncredited) |
Ralph Brown | Cast | Actor | Sheriff |
 Rayford Barnes | Cast | Actor | Crimp |
 Ronald Howard | Cast | Actor | Watt Nelson |
Sarah Atkinson | Cast | Redhead | |
 Simon Oakland | Cast | Actor | Matthew Gunn |
 William Watson | Cast | Actor | Jim Loring |
Max Slaten | Cast | Telegrapher (uncredited) | |
Bud Strait | Cast | Cowboy (uncredited) | |
Eugenio García | Cast | Mario (uncredited) | |
Richard Adams | Cast | Actor | Owney Clark |
| Person | Type | Job | Role(s) |
