Koko

Phantom Stallion

1954 • Rex's Horse

Red River Shore

1953 • Rex's Horse

Shadows of Tombstone

1953 • Rex's Horse

Down Laredo Way

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

Iron Mountain Trail

1953 • Koko

Old Overland Trail

1953 • Rex's Horse

South Pacific Trail

1952 • Koko

Old Oklahoma Plains

1952 • Koko

Border Saddlemates

1952 • Koko - Rex's Horse

The Last Musketeer

1952 • Koko

Colorado Sundown

1952 • Miracle Horse of the Movies

Utah Wagon Train

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

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)

Typhoon

1940 • Koko