Acting
King of the Sierras
as Diablo
Robinson Crusoe of Clipper Island
as Rex, the Wonder Horse
Stormy
as Rex (as Rex King of Wild Horses)
The Adventures of Rex and Rinty
as Rex, The King of Wild Horses
The Law of the Wild
as Rex King of the Wild Horses
King of the Wild Horses
as Rex (as Rex the Wonder Horse)
The Vanishing Legion
as Rex
Parade of the West
as Mankiller (as Rex King of the Wild Horses)
The Harvest of Hate
as Rex, the World's Greatest Horse (as Rex the Wonder Horse)
Hoofbeats of Vengeance
Plunging Hoofs
Wild Blood
as Rex, Mary's Horse (as Rex the Wonder Horse)
Two Outlaws
as Rex, a Horse (as Rex King of the Wild Horses)
Guardians of the Wild
as Rex - a Wild Horse (as Rex the Wonder Horse)
Wild Beauty
as Thunderhoof, a horse
No Man's Law
as Rex, a Wild Horse (as Rex the Wonder Horse)
Rex the Devil Horse
as The Devil Horse (as Rex - King of Horses)
The Black Cyclone
as Rex (as Rex the Wild Horse)
Lightning Romance
as A Horse (as Rex the Wonder Horse)
The King of the Wild Horses
as The Black (as Rex the Wonder Horse)
