(1953) Iron Mountain Trail

as Koko

(1952) South Pacific Trail

as Koko

(1953) Old Overland Trail

as Rex's Horse

(1954) Phantom Stallion

as Rex's Horse

(1951) Rodeo King and the Senorita

as Koko - Rex's Horse

(1953) Red River Shore

as Rex's Horse (as Koko the Miracle Horse of the Movies)

(1953) Shadows of Tombstone

as Rex's Horse

(1940) Typhoon

as Koko

(1950) Hills of Oklahoma

as Rex Allen's Horse (as The Miracle Horse of the Movies)

(1951) Utah Wagon Train

as Koko, Rex Allen's Horse (as Koko the Miracle Horse of the Movies)

(1952) Colorado Sundown

as Miracle Horse of the Movies

(1952) Border Saddlemates

as Koko - Rex's Horse

(1952) The Last Musketeer

as Koko

(1952) Old Oklahoma Plains

as Koko

(1953) Down Laredo Way

as Koko, Rex's Horse (as Koko the Miracle Horse of the Movies)