Koko
Films
1954
Phantom Stallion
Rex's Horse
1953
Red River Shore
Rex's Horse (as Koko the Miracle Horse of the Movies)
1953
Shadows of Tombstone
Rex's Horse
1953
Down Laredo Way
Koko, Rex's Horse (as Koko the Miracle Horse of the Movies)
1953
1953
Old Overland Trail
Rex's Horse
1952
1952
1952
Border Saddlemates
Koko - Rex's Horse
1952
1952
Colorado Sundown
Miracle Horse of the Movies
1951
Utah Wagon Train
Koko, Rex Allen's Horse (as Koko the Miracle Horse of the Movies)
1951
Rodeo King and the Senorita
Koko - Rex's Horse
1950
Hills of Oklahoma
Rex Allen's Horse (as The Miracle Horse of the Movies)
1940
Typhoon
Koko