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Christopher Lee as Duc de Richleau |
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Leon Greene as Rex Van Ryn |
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Patrick Mower as Simon Aron |
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Niké Arrighi as Tanith Carlisle |
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Charles Gray as Mocata |
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Sarah Lawson as Marie Eaton |
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Paul Eddington as Richard Eaton |
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Patrick Allen as Rex Van Ryan (voice) |
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Rosalyn Landor as Peggy Eaton |
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Gwen Ffrangcon Davies as Countess |
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Russell Waters as Malin |
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Eddie Powell as The Goat of Mendes |
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Keith Pyott as Max |
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Jeff Silk as Chauffeur |
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Peter Swanwick as Satanist |
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John Tatham as Satanist |
| Directing | Terence Fisher | Director |
| Production | Anthony Nelson Keys | Producer |
| Writing | Dennis Wheatley | Novel |
| Sound | James Bernard | Original Music Composer |
| Camera | Arthur Grant | Director of Photography |
| Editing | Spencer Reeve | Editor |
| Writing | Richard Matheson | Screenplay |
| Costume & Make-Up | Eddie Knight | Makeup Artist |
| Production | Ian Lewis | Production Manager |
| Art | Bernard Robinson | Supervising Art Director |
| Art | Bernard Robinson | Production Design |
| Crew | Ken Rawkins | Sound Recordist |
| Camera | Moray Grant | Camera Operator |
| Production | Irene Lamb | Casting |
| Sound | Philip Martell | Music Supervisor |
| Crew | David Toguri | Choreographer |
| Costume & Make-Up | Pat McDermott | Hairstylist |
| Editing | James Needs | Supervising Editor |
| Sound | Arthur Cox | Sound Editor |
