- John Wayne
- Captain John Holmes
- Duke
- Duke - John's Horse
- Ruth Hall
- Dolores Castanares
- Luis Alberni
- Felipe
- Donald Reed
- Don Luis Gonzales
- Nina Quartero
- Anita Garcia
- Francis Ford
- Don Pablo Gonzales
- Lafe McKee
- Don Jose Castanares
- Lillian Leighton
- Juanita
- Slim Whitaker
- Jake Morgan
- Sam Appel
- Garcia - Bartender
- Hank Bell
- Morgan Rider
- Buck Bucko
- Morgan Rider
- Roy Bucko
- Morgan Rider
- Jim Corey
- Soldier
- Joe Dominguez
- Gonzales Henchman
- Frank Ellis
- Frank - One of Morgan's Men
- Jack Evans
- Orderly
- Clarence Geldert
- U.S. Army Colonel
- George Hazel
- Morgan Rider
- Tom London
- Lieutenant Adams
- Chris-Pin Martin
- Manuel
- Bud McClure
- Morgan Rider
- John T. Prince
- Padre
- Blackjack Ward
- Morgan Rider
