Koko

Border Saddlemates

1952 · Koko - Rex's Horse

Old Overland Trail

1953 · Rex's Horse

Typhoon

1940 · Koko

Iron Mountain Trail

1953 · Koko

Old Oklahoma Plains

1952 · Koko

Rodeo King and the Senorita

1951 · Koko - Rex's Horse

South Pacific Trail

1952 · Koko

Hills of Oklahoma

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

Colorado Sundown

1952 · Miracle Horse of the Movies

The Last Musketeer

1952 · Koko

Phantom Stallion

1954 · Rex's Horse

Red River Shore

1953 · Rex's Horse

Utah Wagon Train

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

Shadows of Tombstone

1953 · Rex's Horse

Down Laredo Way

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