Koko

Colorado Sundown

1952 · Miracle Horse of the Movies

Typhoon

1940 · Koko

Utah Wagon Train

1951 · Koko, Rex Allen's Horse (as Koko the Miracle Horse of the Movies)

Iron Mountain Trail

1953 · Koko

Old Overland Trail

1953 · Rex's Horse

Red River Shore

1953 · Rex's Horse

Shadows of Tombstone

1953 · Rex's Horse

Border Saddlemates

1952 · Koko - Rex's Horse

Old Oklahoma Plains

1952 · Koko

South Pacific Trail

1952 · Koko

Phantom Stallion

1954 · Rex's Horse

Rodeo King and the Senorita

1951 · Koko - Rex's Horse

Hills of Oklahoma

1950 · Rex Allen's Horse (as The Miracle Horse of the Movies)

The Last Musketeer

1952 · Koko

Down Laredo Way

1953 · Koko, Rex's Horse (as Koko the Miracle Horse of the Movies)