A boy's family is wiped out in an Indian massacre of a wagon train and he is captured. He befriends a wild colt. Years later, following his escape, he is recaptured by Indians who force him to fight their vicious devil horse . The horse looks somewhat familiar.
Yakima Canutt
as Dave Carson
Gladys McConnell
as Marion Morrow
Bob Kortman
as Prowling Wolf (as Robert Kortman)
Roy Clements
as Major Morrow
Rex
as The Devil Horse (as Rex - King of Horses)
Fred Jackman Jr.
as Young Dave (as Master Fred Jackman)
Lady the Horse
as Lady, A Silver Mare
