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Bernard Bresslaw as Henry Jekyll / Teddy Hyde |
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Reginald Beckwith as Reginald |
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Jon Pertwee as Victor Jekyll |
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Maudie Edwards as Henrietta Jekyll |
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Jean Muir as Snout |
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Norma Marla as Angel |
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Richard Wattis as Barclay |
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Jess Conrad as Bimbo |
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Shelagh Dey as Miss Angers |
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Elwyn Brook-Jones as Dandy |
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Michael Ripper as Fish |
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David Lodge as Peewee |
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Harold Goodwin as Benny |
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Keith Smith as Figures |
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Michael Ward as Mark Pasco |
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John Harvey as Sergeant Barnes |
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Jean Driant as M. Blum |
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Verne Morgan as Barman |
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Alexander Doré as Shop Customer |
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Geremy Phillips as Tiger |
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Mary Wilson as Lizzie |
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Robert Desmond as Dizzy |
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Heather Downham as Model |
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Roger Avon as Reporter |
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Cyril Chamberlain as Police Sergeant |
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Lucy Griffiths as Cellist (uncredited) |
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Reginald Marsh as Reporter |
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Nicholas Tanner as Commissionaire |
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Ian Wilson as Small Man |
| Writing | Jack Davies | Screenplay |
| Writing | Sid Colin | Screenplay |
| Production | T.S. Lyndon-Haynes | Associate Producer |
| Camera | Michael Reed | Director of Photography |
| Editing | John Dunsford | Editor |
| Production | Michael Carreras | Producer |
| Directing | Lance Comfort | Director |
| Art | Bernard Robinson | Production Design |
