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Béla Lugosi as Degar |
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Wallace Ford as Tom Hartley |
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Sally Blane as Mary Rinehart |
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Bryant Washburn as John Rinehart |
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Tully Marshall as Richard Rinehart |
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Gertrude Michael as Sarah Rinehart |
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George Meeker as Prof. Arthur Hornsby |
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Matt McHugh as Detective Bailey |
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Edwin Maxwell as The Maniac |
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Oscar Smith as Martin |
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Mary Frey as Sika |
| Directing | Benjamin Stoloff | Director |
| Editing | Arthur Hilton | Editor |
| Production | Bryan Foy | Producer |
| Writing | Lester Neilson | Writer |
| Writing | William Jacobs | Writer |
| Writing | Willard Mack | Story |
| Writing | Beatrice Van | Writer |
| Camera | Joseph A. Valentine | Director of Photography |
