1953
as Rex's Horse
1951
as Koko, Rex Allen's Horse (as Koko the Miracle Horse of the Movies)
1954
as Koko - Rex's Horse
1952
as Miracle Horse of the Movies
as Koko
1940
1950
as Rex Allen's Horse (as The Miracle Horse of the Movies)
as Koko, Rex's Horse (as Koko the Miracle Horse of the Movies)
