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Dermot Walsh as John Sewell |
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Jane Barrett as Mary Sewell |
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John Colicos as Dewar |
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Jameson Clark as Scotty |
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Marianne Stone as Mrs Simon |
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Marilyn Baker as Ann Sewell |
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Anthony Pavey as Michael Sewell |
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Alan MacNaughtan as Det. Sgt. Daley |
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John Horsley as Motor Cycle Policeman |
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Arnold Bell as Sergeant at Road Block |
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Peter Swanwick as Travelling Salesman |
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Hal Osmond as Hospital Orderly |
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Trevor Reid as Dover Police Inspector |
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Alan Robinson as Dover Immigration Official |
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Avril Angers as Hiker |
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Bill Shine as Hiker |
| Writing | John Gilling | Writer |
| Directing | Henry Cass | Director |
| Writing | Norman Hudis | Writer |
| Camera | Desmond Davis | Camera Operator |
| Production | Robert S. Baker | Producer |
| Art | John Stoll | Art Direction |
| Directing | Percy Hermes | Assistant Director |
| Sound | Stanley Black | Original Music Composer |
| Costume & Make-Up | Bill Griffiths | Hairdresser |
| Editing | Stanley Marks | Editor |
| Production | Monty Berman | Producer |
| Sound | W. H. Lindop | Sound Recordist |
| Camera | Monty Berman | Director of Photography |
| Crew | Ronald Liles | Production Controller |
| Sound | Stanley Black | Music Director |
| Costume & Make-Up | Jimmy Evans | Makeup Artist |
| Production | Clive Midwinter | Production Manager |
| Directing | Jane Buck | Continuity |
