Actor
Phantom Stallion
1954 · as Rex's Horse
Red River Shore
1953 · as Rex's Horse
Shadows of Tombstone
Down Laredo Way
1953 · as Koko, Rex's Horse (as Koko the Miracle Horse of the Movies)
Iron Mountain Trail
1953 · as Koko
Old Overland Trail
South Pacific Trail
1952 · as Koko
Old Oklahoma Plains
Border Saddlemates
1952 · as Koko - Rex's Horse
The Last Musketeer
Colorado Sundown
1952 · as Miracle Horse of the Movies
Utah Wagon Train
1951 · as Koko, Rex Allen's Horse (as Koko the Miracle Horse of the Movies)
