John Wayne as John Trent

Duke as Duke - John's Horse

Frank McHugh as Corporal Tippy

Marceline Day as Alice Keller

Otis Harlan as Uncle Zeke Keller

Albert J. Smith as Gus Lynch

Yakima Canutt as High Wolf

Lafe McKee as Lafe

Chief John Big Tree as Indian Chief (uncredited)

Clarence Geldart as Army Captain (uncredited)

Slim Whitaker as Second Henchman (uncredited)