The Law of the Wild

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.

• B. Reeves EasonDirector
• Armand SchaeferDirector

• RexRex King of the Wild Horses
• Rin-Tin-Tin Jr.Rinty
• Bob CusterJohn Sheldon
• Lucile BrowneAlice Ingram
• Ben TurpinHenry
• Edmund CobbHenchman Jim Luger
• Richard CramerFrank Nolan
• Lafe McKeeCharles Ingram [Chs. 1, 3, 12]
• Ernie AdamsHenchman Raymond
• Slim WhitakerHenchman Mack
• Richard AlexanderLewis R. Lou Salters [Ch. 1]
• Jack RockwellSheriff [Chs. 1, 7-8, 11-12]