Richard Harris
Captain Benjamin Tyreen
R. G. Armstrong
Reverend Dahlstrom
Brock Peters
Aesop
James Coburn
Samuel Potts
Dub Taylor
Priam
Warren Oates
O.W. Hadley
Ben Johnson
Sergeant Chillum
L.Q. Jones
Arthur Hadley
Charlton Heston
Major Amos Charles Dundee
Mario Adorf
Sergeant Gomez
Karl Swenson
Captain Waller
Senta Berger
Teresa Santiago
Slim Pickens
Wiley
Marvin Miller
Opening Narrator (voice) (uncredited)
Enrique Lucero
Doctor Aguilar
Michael Anderson Jr.
Trooper Tim Ryan
John Davis Chandler
Jimmy Lee Benteen
José Carlos Ruiz
Riago
Michael Pate
Sierra Charriba
Jim Hutton
Lieutenant Graham
Begoña Palacios
Linda
Francisco Reiguera
Old Apache
Rockne Tarkington
Jefferson (uncredited)
Jody McCrea
Lt. Brannin (uncredited)
Albert Carrier
Captain Jacques Tremaine
Cliff Lyons
Trooper (uncredited)