Rex, a wild stallion, and Rinty, a police dog, are pals. Their master , John Sheldon, is framed for murder, and Alice Ingram plans to race Rex for money to pay for John's legal defense. Meantime, Frank Nolan, who has falsely accused John, sets out to steal Rex for himself.
as Rex King of the Wild Horses
as Rinty
as John Sheldon
as Alice Ingram
as Henry
as Henchman Jim Luger
as Frank Nolan
as Charles Ingram [Chs. 1, 3, 12]
as Henchman Raymond
as Henchman Mack
as Lewis R. Lou Salters [Ch. 1]
as Sheriff [Chs. 1, 7-8, 11-12]
as Henchman Parks [Ch. 1]