During the last winter of the Civil War, cavalry officer Amos Dundee leads a contentious troop of Army regulars, Confederate prisoners and scouts on an expedition into Mexico to destroy a band of Apaches who have been raiding U.S. bases in Texas.

Charlton Hestonas Major Amos Charles Dundee
Richard Harrisas Captain Benjamin Tyreen
Jim Huttonas Lieutenant Graham
James Coburnas Samuel Potts
Michael Anderson Jr.as Trooper Tim Ryan
Senta Bergeras Teresa Santiago
Mario Adorfas Sergeant Gomez
Brock Petersas Aesop
Warren Oatesas O.W. Hadley
Ben Johnsonas Sergeant Chillum
Sam Leavitt