Koko
Acting
Acting
Phantom Stallion
Rex's Horse
Red River Shore
Rex's Horse
Shadows of Tombstone
Rex's Horse
Down Laredo Way
Koko, Rex's Horse (as Koko the Miracle Horse of the Movies)
Iron Mountain Trail
Koko
Old Overland Trail
Rex's Horse
South Pacific Trail
Koko
Old Oklahoma Plains
Koko
Border Saddlemates
Koko - Rex's Horse
The Last Musketeer
Koko
Colorado Sundown
Miracle Horse of the Movies
Utah Wagon Train
Koko, Rex Allen's Horse (as Koko the Miracle Horse of the Movies)
Rodeo King and the Senorita
Koko - Rex's Horse
Hills of Oklahoma
Rex Allen's Horse (as The Miracle Horse of the Movies)
Typhoon
Koko