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Ronald Lewis as Sir Robert Cargrave |
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Audrey Dalton as Maude Sardonicus |
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Guy Rolfe as Baron Sardonicus |
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Oskar Homolka as Krull |
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Vladimir Sokoloff as Henryk Toleslawski |
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Erika Peters as Elenka |
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Lorna Hanson as Anna |
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Constance Cavendish as Mrs. Higgins (uncredited) |
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James Forrest as Geoffery Wainwright (uncredited) |
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Tina Woodward as The Girl (uncredited) |
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Mavis Neal Palmer as Head Nurse (uncredited) |
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Charles H. Radilak as Stationmaster (uncredited) |
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David Janti as Janku (uncredited) |
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Franz Roehn as Gravedigger (uncredited) |
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Annalena Lund as First Girl (uncredited) |
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Ilse Burkert as Second Girl (uncredited) |
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William Castle as Self (uncredited) |
| Directing | William Castle | Director |
| Editing | Edwin H. Bryant | Editor |
| Production | William Castle | Producer |
| Writing | Ray Russell | Novel |
| Writing | Ray Russell | Screenplay |
| Sound | Von Dexter | Original Music Composer |
| Camera | Burnett Guffey | Director of Photography |
| Production | Dona Holloway | Associate Producer |
| Costume & Make-Up | Ben Lane | Makeup Supervisor |
| Art | Cary Odell | Art Direction |
| Art | James Crowe | Set Decoration |
| Directing | R. Robert Rosenbaum | Assistant Director |
| Sound | Charles J. Rice | Sound Supervisor |
| Sound | James Z. Flaster | Sound |
| Camera | Homer Van Pelt | Still Photographer |
