Crediti
Sceneggiatura
Albert Maltz
Regia di
Don Siegel
Musiche originali
Ennio Morricone
Direttore di fotografia
Gabriel Figueroa
Montaggio
Robert F. Shugrue
Produttore
Carroll Case
Produttore
Martin Rackin
Art Direction
José Rodríguez Granada
Scenografia
Pablo Galván
Story
Budd Boetticher
Second Unit Cinematographer
Gabriel Torres
Parrucchiere/a
Evelina Casas
Coordinatore Acrobazie
Buddy Van Horn
Dialogue Coach
Leon Charles
Music Supervisor
Stanley Wilson
Sound
Waldon O. Watson
Sound
Ronald Pierce
Sound
Jesús González Gancy
Makeup Artist
Frank Westmore
Makeup Artist
Margarita Ortega
Costumi
Helen Colvig
Costumi
Carlos Chávez
Unit Production Manager
William Davidson
Unit Production Manager
Alfonso Sánchez Tello
Second Unit Director
Joseph C. Cavalier
Second Unit Director
René Cardona
Montaggio
Juan José Marino
Special Effects
Frank Brendel
Special Effects
León Ortega
Assistant Director
Joseph C. Cavalier
Assistant Director
Manuel Muñoz 'Torito'