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Boris Karloff as Host / Capt. John Elwood / Jonas Atterbury / Dr. Francis Mason |
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Harry Bartell as Edward Paige |
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Thomas Browne Henry as Blue |
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Kay Stewart as Ruth Elwood |
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Paul Bryar as Police Lt. Davis |
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Gretchen Thomas as Elizabeth Foley |
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Tudor Owen as Capt. Barney |
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Dorothy Allison as Judith |
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Russ Bender as Calvin Logan |
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Niall MacGinnis as Walter |
| Directing | David MacDonald | Director |
| Directing | Frank P. Bibas | Director |
| Directing | George Waggner | Director |
| Production | Hal Roach, Jr. | Producer |
