John Guillermin
Director
Walter Hannemann
Editor
Maurice Jarre
Original Music Composer
Julio Molina
Production Design
Steven W. Carabatsos
Story
Larry Cohen
Screenplay
Steven W. Carabatsos
Screenplay
William H. Ziegler
Editor
André de Toth
Producer
Henri Persin
Director of Photography
Ramón de Diego
Makeup Supervisor
Enrique Fernández
Set Decoration
Paddy Cunningham
Sound
Robert Watts
Unit Production Manager
Lee Van Cleef
Jaroo
Jim Brown
Luke
Patrick O'Neal
Chavez
Marianna Hill
Claudine
Elisha Cook Jr.
Old Convict
Iron Eyes Cody
Santana
Imogen Hassall
Dolores
Gustavo Rojo
Colonel Anguinaldo
Florencio Amarilla
Águila
Julio Peña
General Hernández
Ángel del Pozo
Lieutenant
Dan van Husen
Bandit
Ricardo Palacios
Chief Bandit
Patricio Santiago
Julio
John Clark
Prison Guard Captain
Raúl Mendoza Castro
Indian (as Raul Mendoza Castro)
Rafael Albaicín
Officer (as Rafael Albaicin)
George Ross
Guard
Charles Stalmaker
Bandit
Charly Bravo
Bandit
Peter Lenahan
Convict
Art Larkin
Convict
Per Barclay
Convict
Simón Arriaga
Mexican Soldier (uncredited)
