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Jerry Verno as Jerry Mason |
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Anthony Holles as 'Mrs.LeGrange' |
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Edgar Norfolk as 'Gentleman Charlie' |
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Philip Morant as Mr.Meek |
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Sybil Grove as Mrs.Harkness |
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Vera Sherborne as Joyce Dacre |
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Paddy Browne as Miss Meek |
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George Spence as Porter (uncredited) |
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Michael Powell as Bugging Device Engineer (uncredited) |
| Writing | Philip MacDonald | Story |
| Editing | Arthur Seabourne | Editor |
| Directing | Michael Powell | Director |
| Camera | Geoffrey Faithfull | Director of Photography |
| Art | W.G. Saunders | Art Direction |
| Writing | Ralph Smart | Writer |
| Camera | Arthur Grant | Director of Photography |
| Sound | Michael Rose | Sound |
| Production | Jerome Jackson | Producer |
