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James Newill as RCMP Sgt. Renfrew |
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Louise Stanley as Madeleine Lewis |
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Dewey Robinson as Uncle Dinwiddie |
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William Pawley as Morgan |
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Joe De Stefani as Professor Burton Lewis |
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Jim Farley as Inspector Warner |
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Dave O'Brien as Constable Kelly |
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Karl Hackett as Hawthorne |
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Ted Adams as Henchman Gary |
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Dwight Frye as Speavy |
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Jack Rube Clifford as Whispering Smith |
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Bob Terry as Henchman Hutchins |
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Kenne Duncan as Henchman Brownie |
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Eddie Fetherston as Pilot Buzz Murphy |
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Don Brodie as Radio Operator |
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Earl Douglas as Henchman Butch |
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Harry Harvey as Mechanic Greaseball |
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Harry 'Snub' Pollard as Pa, Man in Nightshirt |
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Marin Sais as Ma |
| Directing | Ralph Staub | Director |
| Directing | Ben Chapman | Assistant Director |
| Writing | Edward Halperin | Screenplay |
| Writing | Laurie York Erskine | Novel |
