All Cast
Rex
Rex, The King of Wild Horses
Rin-Tin-Tin Jr.
Rinty
Kane Richmond
Frank Bradley
Norma Taylor
Dorothy Bruce
Mischa Auer
Tanaga
Smiley Burnette
Jensen
Harry Woods
Crawford
Pedro Regas
Pasha
Hooper Atchley
Debor
Wheeler Oakman
Wheeler
Victor Potel
Kinso
Allan Cavan
Mr. Bruce
Al Bridge
Mitchell
Edmund Cobb
Jones
Charles King
Martin
George Chesebro
Anderson
Jack Rockwell
McDonald
