Rin-Tin-Tin as Rinty

Frankie Darro as Jimmy Carter

Hayden Stevenson as Carter [Ch. 1]

George Brent as Alan Scott

Pat O'Malley as Sheriff A. W. Brown

Georgia Hale as Dianne La Farge

Theodore Lorch as Pierre La Farge

Lafe McKee as John Hayden

Frank Brownlee as Angus MacDonald

Bob Kortman as Wells - Henchman

Dick Dickinson as Adams - Henchman

Yakima Canutt as Ken Davis [Ch. 3] / Deputy [Ch. 8]

Frank Lanning as Indian George / Jim (ch 1)

Bertee Beaumont as Pioneer Woman [ch 1-2]

Helen Gibson as Pioneer Woman [ch 1-2]

William Desmond as Townsman (uncredited)