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Jean Simmons as Caroline Ruthyn |
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Katina Paxinou as Madame de la Rougierre |
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Derrick De Marney as Uncle Silas |
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Derek Bond as Lord Richard Ilbury |
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Sophie Stewart as Lady Monica Waring |
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Esmond Knight as Dr. Bryerly |
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Marjorie Rhodes as Mrs. Rusk |
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Guy Rolfe as Sepulchre Hawkes |
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Reginald Tate as Austin Ruthyn |
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Manning Whiley as Dudley Ruthyn |
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John Laurie as Giles |
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Frederick Burtwell as Branston |
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George Curzon as Sleigh |
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Patricia Glyn as Mary Quince |
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O.B. Clarence as Vicar |
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Frederick Ranalow as Rigg |
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Robin Netscher as Tom Hawkes |
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John Salew as Grimstone |
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Patricia Dainton as Guest at Ball (uncredited) |
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Charles Paton as Guest at Ball (uncredited) |
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Gordon Phillott as Guest at Ball (uncredited) |
| Writing | Sheridan Le Fanu | Novel |
| Writing | Ben Travers | Screenplay |
| Sound | Alan Rawsthorne | Music |
| Editing | Ralph Kemplen | Editor |
| Production | Irene Howard | Casting |
| Art | Laurence Irving | Production Design |
| Art | Ralph Brinton | Art Direction |
| Costume & Make-Up | Elizabeth Haffenden | Costume Design |
| Directing | Peter Bolton | Assistant Director |
| Camera | Robert Huke | Camera Operator |
| Sound | Kenneth Heeley-Ray | Sound Editor |
| Sound | John Cook | Sound Recordist |
| Sound | Desmond Dew | Sound Recordist |
| Crew | Henry Harris | Special Effects |
| Crew | George Blackwell | Special Effects |
| Sound | Muir Mathieson | Conductor |
| Production | Jack Hicks | Associate Producer |
| Production | John W. Gossage | Production Manager |
| Production | Laurence Irving | Producer |
| Production | Josef Somlo | Producer |
| Camera | Robert Krasker | Director of Photography |
| Directing | Charles Frank | Director |
| Directing | Anthony Hearne | Second Assistant Director |
| Sound | Fred Ryan | Boom Operator |
