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Wilfrid Hyde-White as Philo Vance |
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Wally Patch as Inspector Moor |
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Henri De Vries as Dr. Bliss |
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Kathleen Kelly as Angela Hargreaves |
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John Robinson as Donald Scarlett |
|
Geoffrey Wallace as Salveter |
| Directing | Michael Hankinson | Director |
| Writing | Selwyn Jepson | Screenplay |
| Production | Anthony Havelock-Allan | Producer |
| Crew | Ronald Neame | Cinematography |
