Rin-Tin-Tin
— Scotty
Lupe Vélez
— Rose
Monte Blue
— Devlin
H.B. Warner
— Dr. Cusick
Tully Marshall
— Hector McCollins
Grant Withers
— Bruce
Gaston Glass
— Pierre
Bull Montana
— Joe
Slim Summerville
— Heine
Louis Mercier
— Frenchie
Gordon Magee
— Hainey
Heinie Conklin
— Gus
Leslie Sketchley
— Mounted Police Officer
Émile Chautard
— Frenchman
Cy Clegg
— Mounted Police Officer
Fred MacMurray
— Rancher
Georgia Mazetti
— Indian Girl
Chief Yowlachie
— Indian