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Peter Cushing as Dr. Namaroff |
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კრისტოფერ ლი as Prof. Karl Meister |
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Richard Pasco as Paul Heitz |
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Barbara Shelley as Carla Hoffman |
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Michael Goodliffe as Professor Jules Heitz |
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Patrick Troughton as Inspector Kanof |
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Joseph O'Conor as Coroner |
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Prudence Hyman as The Gorgon |
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Jack Watson as Ratoff |
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Jeremy Longhurst as Bruno Heitz |
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Toni Gilpin as Sascha Cass |
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Alister Williamson as Janus Cass |
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Joyce Hemson as Martha |
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Redmond Phillips as Hans |
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Michael Peake as Constable |
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Sally Nesbitt as Nurse |
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Fred Haggerty as Constable |
| Costume & Make-Up | Roy Ashton | Makeup Artist |
| Writing | J. Llewellyn Devine | Original Story |
| Art | Bernard Robinson | Production Design |
| Editing | James Needs | Supervising Film Editor |
| Costume & Make-Up | Rosemary Burrows | Costume Design |
| Directing | Terence Fisher | Director |
| Production | Anthony Nelson Keys | Producer |
| Art | Don Mingaye | Art Direction |
| Writing | John Gilling | Screenplay |
| Sound | James Bernard | Original Music Composer |
| Costume & Make-Up | Molly Arbuthnot | Costume Supervisor |
| Editing | Eric Boyd-Perkins | Editor |
| Camera | Michael Reed | Director of Photography |
| Crew | Sydney Pearson | Special Effects |
| Crew | Ken Rawkins | Sound Recordist |
| Sound | Roy Hyde | Sound Editor |
| Camera | Cecil Cooney | Camera Operator |
| Costume & Make-Up | Frieda Steiger | Hairstylist |
| Sound | Tom Buchanan | Sound Assistant |
| Camera | John Shinerock | Focus Puller |
