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Hugh Sinclair as Robert Southley |
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Dinah Sheridan as Linda |
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John Laurie as Inspector MacDougall |
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Barry Morse as Harrison |
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Dora Bryan as Maisie |
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Michael Brennan as Fenton |
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Beatrice Varley as Landlady |
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Michael Ward as Wigmaker |
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Madoline Thomas as Mrs. Green |
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Ernest Butcher as Mr. Fern |
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Hal Osmond as Taxi Driver |
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Sidney Vivian as Barman |
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Sam Kydd as Mechanic |
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Anthony Pendrell as Stevens |
| Writing | John Gilling | Screenplay |
| Writing | Robert S. Baker | Original Story |
| Writing | Carl Nystrom | Adaptation |
| Editing | Gerald Landau | Editor |
| Directing | John Gilling | Director |
| Production | Monty Berman | Producer |
| Production | Robert S. Baker | Producer |
| Camera | Desmond Davis | Clapper Loader |
