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Peter Wyngarde as Norman Taylor |
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Janet Blair as Tansy Taylor |
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Margaret Johnston as Flora Carr |
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Anthony Nicholls as Harvey Sawtelle |
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Colin Gordon as Lindsay Carr |
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Kathleen Byron as Evelyn Sawtelle |
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Reginald Beckwith as Harold Gunnison |
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Jessica Dunning as Hilda Gunnison |
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Norman Bird as Doctor |
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Judith Stott as Margaret Abbott |
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Bill Mitchell as Fred Jennings |
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Paul Frees as Prologue Narrator (voice) (uncredited) |
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Frank Singuineau as Truck Driver (uncredited) |
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George Roubicek as Cleaner (uncredited) |
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Gary Woolf as Relief Driver (uncredited) |
| Production | Albert Fennell | Producer |
| Writing | Richard Matheson | Writer |
| Camera | Reginald H. Wyer | Director of Photography |
| Writing | Fritz Leiber Jr. | Novel |
| Editing | Ralph Sheldon | Editor |
| Directing | Sidney Hayers | Director |
| Writing | Charles Beaumont | Writer |
| Production | Samuel Z. Arkoff | Producer |
| Sound | William Alwyn | Original Music Composer |
| Costume & Make-Up | Sophie Devine | Costume Design |
| Costume & Make-Up | Basil Newall | Makeup Artist |
| Costume & Make-Up | Iris Tilley | Hairstylist |
| Crew | Eric Bayman | Sound Recordist |
| Camera | Gerry Turpin | Camera Operator |
| Art | Jack Shampan | Art Direction |
| Sound | Len Shilton | Sound Recordist |
| Writing | George Baxt | Writer |
