Rin-Tin-Tin
— Rinty
Walter Miller
— Ramon
June Marlowe
— Dolores Valdez
Josef Swickard
— Juan Valdez
Buzz Barton
— Buzz
Lee Shumway
— Amos Harkey
Julia Bejarano
— Maria, the Dueña
Lafe McKee
— Sheriff Billings
Arthur Morrison
— Limpy
Frank Lanning
— Burke
Bob Kortman
— Jenkins
Victor Metzetti
— Red
Otto Metzetti
— Red's Partner