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