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Rin-Tin-Tin Jr. as Rin-Tin-Tin |
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Regis Toomey as Bob Franklin, alias Rocky Morgan |
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Jack Mulhall as Border Patrolman Ed |
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Molly O'Day as Ann Norton |
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Jack Mower as King |
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Lois January as Barbara Franklin |
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James Murray as Matt |
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John Elliott as John Norton |
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Tom London as Henchman Jennings |
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Milburn Morante as Dad Miller |
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George Chesebro as Henchman "Dude" |
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Bob Walker as Henchman Saunders |
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Jack Evans as Henchman Carter |
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George Hazel as Henchman Slim |
| Writing | James Oliver Curwood | Story |
| Writing | Carl Krusada | Screenplay |
| Directing | Elmer Clifton | Director |
| Production | Bernard B. Ray | Producer |
| Art | Ira Webb | Art Direction |
| Camera | Pliny Goodfriend | Director of Photography |
| Editing | Fred Bain | Editor |
| Directing | Carl Krusada | Continuity |
| Writing | Bennett Cohen | Dialogue |
| Production | Harry S. Webb | Associate Producer |
| Sound | Jesse Moulton | Sound |
| Directing | Bernard De Roux | Assistant Director |
