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Boris Karloff as Dr. Thomas Bolton |
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Betta St. John as Susan |
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Christopher Lee as Resurrection Joe |
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Finlay Currie as Supt. Charles Matheson |
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Adrienne Corri as Rachel |
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Francis de Wolff as Black Ben |
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Francis Matthews as Jonathan Bolton |
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Frank Pettingell as Mr. Blount |
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Basil Dignam as Hospital Chairman |
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Nigel Green as Insp. Donovan |
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Yvonne Romain as Rosa (as Yvonne Warren) |
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Howard Lang as Chief Inspector |
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Charles Lloyd Pack as Hardcastle |
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Bernard Archard as Hospital Official |
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Marianne Stone as Arrested Woman (uncredited) |
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Desmond Llewelyn as Operations Assistant (uncredited) |
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Skip Martin as (uncredited) |
| Directing | Robert Day | Director |
| Writing | Jean Scott Rogers | Screenplay |
| Camera | Geoffrey Faithfull | Director of Photography |
| Editing | Peter Mayhew | Editor |
| Production | John Croydon | Producer |
| Production | Charles F. Vetter | Producer |
| Production | Richard Gordon | Executive Producer |
| Production | Peter Mayhew | Associate Producer |
| Sound | Buxton Orr | Original Music Composer |
| Art | Anthony Masters | Art Direction |
| Costume & Make-Up | Wally Schneiderman | Makeup Artist |
| Costume & Make-Up | Eileen Warwick | Hairstylist |
| Production | George Mills | Production Manager |
| Directing | Peter Bolton | Assistant Director |
| Crew | Maurice Askew | Sound Recordist |
| Directing | Michael Stevenson | Third Assistant Director |
| Directing | Susan Dyson | Continuity |
| Sound | Cyril Swern | Sound Recordist |
