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Rex as Rex King of the Wild Horses |
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Rin-Tin-Tin Jr. as Rinty |
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Bob Custer as John Sheldon |
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Lucile Browne as Alice Ingram |
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Ben Turpin as Henry |
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Edmund Cobb as Henchman Jim Luger |
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Richard Cramer as Frank Nolan |
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Lafe McKee as Charles Ingram [Chs. 1, 3, 12] |
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Ernie Adams as Henchman Raymond |
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Slim Whitaker as Henchman Mack |
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Richard Alexander as Lewis R. Lou Salters [Ch. 1] |
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Jack Rockwell as Sheriff [Chs. 1, 7-8, 11-12] |
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George Chesebro as Henchman Parks [Ch. 1] |
| Directing | B. Reeves Eason | Director |
| Directing | Armand Schaefer | Director |
