King of the Sierras

Diablo

1938

Robinson Crusoe of Clipper Island

Rex, the Wonder Horse

1936

Stormy

Rex (as Rex King of Wild Horses)

1935

The Adventures of Rex and Rinty

Rex, The King of Wild Horses

1935

The Law of the Wild

Rex King of the Wild Horses

1934

King of the Wild Horses

Rex (as Rex the Wonder Horse)

1933

The Vanishing Legion

Rex

1931

Parade of the West

Mankiller (as Rex King of the Wild Horses)

1930

The Harvest of Hate

Rex, the World's Greatest Horse (as Rex the Wonder Horse)

1929

Hoofbeats of Vengeance

Rex, the Wonder Horse

1929

Plunging Hoofs

Rex (as Rex the Wonder Horse)

1929

Wild Blood

Rex, Mary's Horse (as Rex the Wonder Horse)

1929

Two Outlaws

Rex, a Horse (as Rex King of the Wild Horses)

1928

Guardians of the Wild

Rex - a Wild Horse (as Rex the Wonder Horse)

1928

Wild Beauty

Thunderhoof, a horse

1927

No Man's Law

Rex, a Wild Horse (as Rex the Wonder Horse)

1927

The Devil Horse

The Devil Horse (as Rex - King of Horses)

1926

Black Cyclone

Rex (as Rex the Wild Horse)

1925

Lightning Romance

A Horse (as Rex the Wonder Horse)

1924

The King of the Wild Horses

The Black (as Rex the Wonder Horse)

1924