The Devil Horse

Jack Mower

Adams, Vigilante leader

Al Bridge

Henchman Curley Bates

Jack Byron

Henchman Jake

John Paul Jones

Matthew Boyd (banker) (as J. Paul Jones)

Carl R. Botefuhr

Little Frankie [Chs. 1 & 12] (as Carli Russell)

Lew Kelly

The Boy's Father [Chs. 1 & 12] (as Lou Kelley)

Victor Adamson

Henchman (uncredited)

Yakima Canutt

Slim [Chs. 3-5, 8] / Henchman [Chs. 11-12] (uncredited)

Lane Chandler

Elliott Norton [Chs. 1, 9, 11] (uncredited)

Ken Cooper

Deputy Cooper [Ch. 5, 10, 11] (uncredited)

Gordon De Main

Rancher (uncredited)

Dick Dickinson

Martin [Ch. 1] (uncredited)

Jack A. Goodrich

Henchman (uncredited)