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