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