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ჯოან კოლინზი as Molly Carmichael |
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Peter Cushing as Michael Carmichael |
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Judy Geeson as Peggy Heller |
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Ralph Bates as Robert Heller |
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James Cossins as The Doctor |
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Gillian Lind as Mrs. Beamish |
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Brian Grellis as 2nd Policeman |
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John Bown as 1st Policeman |
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Jimmy Gardner as Psychiatrist (uncredited) |
| Directing | Jimmy Sangster | Director |
| Writing | Jimmy Sangster | Writer |
| Writing | Michael Syson | Writer |
| Production | Jimmy Sangster | Producer |
| Sound | John McCabe | Original Music Composer |
| Camera | Arthur Grant | Director of Photography |
| Editing | Peter Weatherley | Editor |
| Art | Don Picton | Art Direction |
| Production | James Liggat | Casting |
| Costume & Make-Up | W.T. Partleton | Makeup Artist |
| Production | Roy Skeggs | Production Supervisor |
| Production | Christopher Neame | Production Manager |
| Costume & Make-Up | Helen Lennox | Hairstylist |
| Sound | Philip Martell | Music Supervisor |
| Directing | Ted Morley | Assistant Director |
| Art | Bill Greene | Construction Manager |
| Art | Penny Struthers | Set Dresser |
| Art | Michael Finlay | Painter |
| Sound | Claude Hitchcock | Sound Recordist |
| Sound | Roy Hyde | Sound Editor |
| Sound | A.W. Lumkin | Recording Supervision |
| Sound | Dennis Whitlock | ADR & Dubbing |
| Sound | Chris Munro | Sound Assistant |
| Camera | Neil Binney | Camera Operator |
| Camera | Roderick Barron | Clapper Loader |
| Camera | Bob Jordan | Focus Puller |
| Costume & Make-Up | Rosemary Burrows | Wardrobe Supervisor |
| Directing | Gladys Goldsmith | Continuity |
