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Leslie Banks as David Barr |
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Carol Goodner as June MacKinnon |
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Frank Vosper as Lord Dean |
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Alfred Drayton as Manning |
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Campbell Gullan as Hannay |
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Percy Parsons as Casey |
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Fewlass Llewellyn as Sir Gregory |
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Henry Oscar as Raglan |
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Allan Jeayes as Grierson |
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Donald Calthrop as Macleod |
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Henry Caine as Bassett |
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George Carney as Mr. Lindsey |
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Jack Lambert as Police Inspector |
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John Laurie as Wages Accountant |
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Frederick Piper as Mr. McWilliams |
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Jack Raine as Testing Official |
| Directing | Michael Powell | Director |
| Writing | Jerome Jackson | Writer |
| Editing | Geoffrey Barkas | Editor |
| Writing | Michael Powell | Writer |
| Production | Jerome Jackson | Producer |
| Art | Alfred Junge | Art Direction |
| Costume & Make-Up | Gordon Conway | Costume Design |
| Writing | L. du Garde Peach | Dialogue |
| Camera | Leslie Rowson | Director of Photography |
| Sound | Peter Birch | Sound Recordist |
