Characters played by Robert Mitchum
Martin Brady
Characters played by Julie London
Helen Colton
Characters played by Gary Merrill
Maj. Stark Colton
Characters played by Albert Dekker
Texas Ranger Capt. Rucker
Characters played by Jack Oakie
Travis Hyte
Characters played by Charles McGraw
Dr. Herbert J. Stovall
Characters played by Leroy 'Satchel' Paige
Sgt. Tobe Sutton
Characters played by Anthony Caruso
Santiago Santos
Characters played by Mike Kellin
Pancho Gil
Characters played by Víctor Manuel Mendoza
Gen. Marcos Castro
Characters played by Jay Novello
Diego Casas
Characters played by John Banner
Ben Sterner
Characters played by Max Slaten
Ludwig 'Chico' Sterner
Characters played by Margarito Luna
(as Marguerito Luna)
Characters played by Joe Haworth
Stoker