Filmography
Phantom Stallion1954 · Rex's Horse
Red River Shore1953 · Rex's Horse
Shadows of Tombstone1953 · Rex's Horse
Down Laredo Way1953 · Koko, Rex's Horse (as Koko the Miracle Horse of the Movies)
Iron Mountain Trail1953 · Koko
Old Overland Trail1953 · Rex's Horse
South Pacific Trail1952 · Koko
Old Oklahoma Plains1952 · Koko
Border Saddlemates1952 · Koko - Rex's Horse
The Last Musketeer1952 · Koko
Colorado Sundown1952 · Miracle Horse of the Movies
Utah Wagon Train1951 · Koko, Rex Allen's Horse (as Koko the Miracle Horse of the Movies)
Rodeo King and the Senorita1951 · Koko - Rex's Horse
Hills of Oklahoma1950 · Rex Allen's Horse (as The Miracle Horse of the Movies)
Typhoon1940 · Koko