cast
- Franco Nero
- Bill Douglas / Sergei Kowalski [in U.S. version]
- Tony Musante
- Eufemio / Paco Ramon [in U.S. version]
- Jack Palance
- Ricciolo / Curly [in U.S. version]
- Giovanna Ralli
- Columba
- Eduardo Fajardo
- Alfonso Garcia
- Bruno Corazzari
- Studs
- Remo de Angelis
- Hudo
- Franco Giacobini
- Pepote
- Tito Garcia
- Vigilante At Mines
- Angel Alvarez
- Notary
- Juan Cazalilla
- Mayor Of Allenda
- Jose Zalde
- Innkeeper
- Jose Antonio Lopez
- Juan
- Simon Arriaga
- Simon
- Jose Ma Aguinaco
- Ramirez
- Guillermo Mendez
- Captain
- Fernando Villena
- Sergeant
- Jose Canalejas
- Pablo
- Vicente Roca
- Elias Garcia
- Milo Quesada
- Marco
- Angel Ortiz
- 3rd Mexican
- Jose Riesgo
- 2nd Mexican
- Raf Baldassarre
- Mateo
- Alvaro de Luna
- Ramon
crew
- Sergio Corbucci
- Director, Screenwriter
- Alberto Grimaldi
- Producer
- Adriano Bolzoni
- Screenwriter
- Giorgio Arlorio
- Screen Story
- Luciano Vincenzoni
- Screenwriter
- Alejandro Ulloa
- Cinematographer
- Bruno Nicolai
- Composer (Music Score)
- Ennio Morricone
- Composer (Music Score)
- Eugene Alabiso
- Editor
- Luis Vazquez
- Art Director
- Piero Filippone
- Art Director
- Jurgen Henze
- Costume Designer
- Manuel Baquero
- Special Effects
- Franco Solinas
- Short Story Author
- Raoul Ranieri
- Makeup
