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Arthur Wontner as Sir Charles Wallington |
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Gillian Lind as Kate Banting |
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Gordon Harker as Sam Knudge |
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Cyril Raymond as Jim Wrench |
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Jane Welsh as Sonia Wallington |
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Norah Howard as Gwen Banting |
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Edmund Gwenn as Banting |
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Griffith Humphreys as Professor Michaels |
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T. Gordon Blythe as Ali |
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James Cunningham as Inspector Sweeting |
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Gilbert Davis as Doctor Cornell |
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Bernard Brunel as Tobias Lantern |
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H. St. Barbe West as Sir Rudolph Cantler |
| Directing | Walter Forde | Director |
| Writing | James Dawson | Theatre Play |
| Writing | George Goodchild | Novel |
| Writing | H. Fowler Mear | Writer |
| Writing | Bernard Merivale | Writer |
| Writing | Brock Williams | Writer |
| Production | Julius Hagen | Producer |
| Camera | Sydney Blythe | Director of Photography |
| Camera | William Luff | Director of Photography |
| Editing | Jack Harris | Editor |
| Sound | Baynham Honri | Sound |
| Camera | Cyril Stanborough | Still Photographer |
