Directed by
| Terence Fisher | ||
Writing Credits
| John Gilling | ... | (screenplay by) |
| J. Llewellyn Devine | ... | (based on an original story by) |
Cast (in credits order) verified as complete
| Christopher Lee | ... | Prof. Karl Meister | |
| Peter Cushing | ... | Dr. Namaroff | |
| Richard Pasco | ... | Paul Heitz | |
| Barbara Shelley | ... | Carla Hoffman | |
| Michael Goodliffe | ... | Professor Jules Heitz | |
| Patrick Troughton | ... | Inspector Kanof | |
| Joseph O'Conor | ... | Coroner | |
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Prudence Hyman | ... | The Gorgon |
| Jack Watson | ... | Ratoff | |
| Redmond Phillips | ... | Hans | |
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Jeremy Longhurst | ... | Bruno Heitz |
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Toni Gilpin | ... | Sascha Cass |
| Joyce Hemson | ... | Martha | |
| Alister Williamson | ... | Janus Cass | |
| Michael Peake | ... | Constable | |
| Rest of cast listed alphabetically: | |||
| Jim Brady | ... | Angry Mob (uncredited) | |
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Vic Chapman | ... | Asylum Worker (uncredited) |
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Peter Evans | ... | Inquest Jury Member (uncredited) |
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Fred Haggerty | ... | Constable (uncredited) |
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Patrick Halpin | ... | Man Warning Mob of Police (uncredited) |
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Arthur Howell | ... | Angry Man (uncredited) |
| Sally Nesbitt | ... | Nurse (uncredited) | |
| Bill Sawyer | ... | Angry Man (uncredited) | |
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Fred Stroud | ... | Juryman (uncredited) |
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Bob Wright | ... | Juryman (uncredited) |
Produced by
| Anthony Nelson Keys | ... | producer |
Music by
| James Bernard | ||
Cinematography by
| Michael Reed | ... | director of photography |
Editing by
| Eric Boyd-Perkins | ... | (as Eric Boyd Perkins) |
Production Design by
| Bernard Robinson | ||
Art Direction by
| Don Mingaye | ||
Makeup Department
| Roy Ashton | ... | make-up artist |
| Frieda Steiger | ... | hair stylist |
| Richard Mills | ... | make-up artist (uncredited) |
Production Management
| Don Weeks | ... | production manager |
Second Unit Director or Assistant Director
| Bert Batt | ... | assistant director |
| Hugh Harlow | ... | second assistant director (uncredited) |
| Stephen Victor | ... | third assistant director (uncredited) |
Art Department
| Arthur Banks | ... | construction manager (uncredited) |
| Stan Banks | ... | master plasterer (uncredited) |
| Burt Evans | ... | scenic artist (uncredited) |
| Eric Hillier | ... | props buyer (uncredited) |
| Tom Money | ... | property master (uncredited) |
| Kenneth Ryan | ... | draughtsman (uncredited) |
| Lawrence Wren | ... | master painter (uncredited) |
Sound Department
| Roy Hyde | ... | sound editor |
| Ken Rawkins | ... | sound recordist |
| Tom Buchanan | ... | sound assistant (uncredited) |
| Roy Mingaye | ... | sound assistant (uncredited) |
| Michael Sale | ... | sound camera operator (uncredited) |
| Alan Thorne | ... | sound assistant (uncredited) |
Special Effects by
| Sydney Pearson | ... | special effects (as Syd Pearson) |
| Ray Caple | ... | special effects assistant (uncredited) |
Stunts
| Peter Diamond | ... | fight arranger / stunt coordinator (uncredited) |
Camera and Electrical Department
| Cecil Cooney | ... | camera operator (as C. Cooney) |
| Albert Cowlard | ... | camera grip (uncredited) |
| Jack Curtis | ... | chief electrician (uncredited) |
| Tom Edwards | ... | still photographer (uncredited) |
| Anthony B. Richmond | ... | clapper loader (uncredited) |
| John Shinerock | ... | focus puller (uncredited) |
Costume and Wardrobe Department
| Rosemary Burrows | ... | wardrobe mistress |
| Molly Arbuthnot | ... | wardrobe supervisor (uncredited) |
Editorial Department
| James Needs | ... | supervising editor |
| David Nimmo | ... | assistant editor (uncredited) |
| George Patten | ... | second assistant editor (uncredited) |
Music Department
| Marcus Dods | ... | musical supervisor |
| James Bernard | ... | musical director (uncredited) |
Script and Continuity Department
| Pauline Harlow | ... | continuity |
Additional Crew
| W.H.V. Able | ... | chief accountant (uncredited) |
| Ken Gordon | ... | accountant (uncredited) |
| Arthur Kelly | ... | studio manager (uncredited) |
| Dennison Thornton | ... | publicity director (uncredited) |
| Maureen White | ... | production secretary (uncredited) |
