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Derrick De Marney as Charles Garrie |
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Beresford Egan as Anton Minetti |
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Joan Greenwood as Christine |
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Joan Seton as Lucille |
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Frederick Valk as Dr. Ivan Krasner |
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Lily Kann as Maria |
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Bruce Winston as Jo-Jo |
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Sybilla Binder as The Medium |
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Martin Miller as Morgue Keeper |
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Valentine Dyall as Prefecture of Police |
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Gerhard Kempinski as Sergeant of Police |
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Espinosa as Ballet Master |
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Margaret Clarke as Ballet Mistress |
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Anthony Hawtrey as The Specialist |
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Rachel Brodbrar as Country Girl |
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Billy Holland as Cave Man |
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Cleo Nordi as Suzanne |
| Directing | Vernon Sewell | Director |
| Camera | Günther Krampf | Director of Photography |
| Costume & Make-Up | Marjorie Whittle | Hairstylist |
| Costume & Make-Up | Harry Hayward | Makeup Artist |
| Writing | Vernon Sewell | Writer |
| Writing | Pierre Mills | Theatre Play |
| Editing | Lito Carruthers | Editor |
| Art | R. Holmes Paul | Art Direction |
| Production | Derrick De Marney | Associate Producer |
| Writing | C. Vylars | Theatre Play |
| Production | Louis H. Jackson | Producer |
| Sound | Allan Gray | Original Music Composer |
| Directing | Denis Johnson | Assistant Director |
