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Kermit Maynard as Mountie Sergeant Mack MacKenzie |
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Eleanor Hunt as Beth Braden |
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Russell Hopton as Duke Milford |
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J. Farrell MacDonald as Inspector |
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LeRoy Mason as Stone |
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Gertrude Astor as Mae |
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Ben Hendricks Jr. as Sam Keene |
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Walter Brennan as Stuttering Cook |
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Lloyd Ingraham as Prof. Braden |
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Nelson McDowell as Tope |
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Lafe McKee as Old Trapper |
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Chris Willow Bird as Indian Henchman (uncredited) |
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Jack Chisholm as Henchman Durkin (uncredited) |
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Kernan Cripps as Mike - the Bartender (uncredited) |
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Dick Curtis as Henchman Pete (uncredited) |
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Henry Hall as Old Trapper #2 (uncredited) |
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Charles King as Mountie Wallace (uncredited) |
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Artie Ortego as Henchman Gareau (uncredited) |
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Tyrone Power as Mountie (uncredited) |
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Rocky as Mack's Horse (uncredited) |
| Editing | John English | Editor |
| Camera | Edgar Lyons | Director of Photography |
| Production | Maurice Conn | Producer |
| Production | Sigmund Neufeld | Producer |
| Sound | Hans Weeren | Sound |
| Art | Lewis J. Rachmil | Set Decoration |
| Directing | Sam Newfield | Director |
| Writing | James Oliver Curwood | Novel |
| Writing | Barry Barringer | Screenplay |
