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Ruth Dunning as Miss Letty Frost / Irma Randall |
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Nora Nicholson as Mrs. Louisa Sprule |
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Joanna Dunham as Freda Maybury |
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Howard Pays as Jack Loring |
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May Hallatt as Miss Burge |
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Gwenda Wilson as Jean Berry / Jean Hinton |
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Ian Colin as Reverend Everard Porson |
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Gladys Henson as Miss Caroline Cassell |
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Barbara Everest as Mrs. Judson |
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Max Brimmell as Doctor Spalding |
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James Raglan as Sir Phillip Morstan |
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Trevor Reid as Inspector Craven |
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Elizabeth Begley as Mrs. Caldwell |
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Diana Chesney as Mrs. Roberts |
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Jerold Wells as George Burling / Ned Barrett |
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Richard McNeff as Mr. Brown, the Chemist |
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Jan Miller as Girl Assistant at Chemist |
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Jackie Noble as Maisie |
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Edna Morris as Mrs. Millett |
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Deirdre Clarke as Joan Mason |
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Arlene Butler as Bunch |
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Brian Weske as Jim |
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Roddy Maude-Roxby as Pug |
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John Line as Peter |
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Frank Sieman as Police Sergeant Morris |
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Keith Smith as Constable Kemp |
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Frank Hawkins as Inspector Bartlett |
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Barry Wilsher as Sergeant Hewson |
| Art | Duncan Sutherland | Art Direction |
| Sound | Stephen Dalby | Sound Director |
| Camera | Bob Thompson | Camera Operator |
| Sound | Jim Sibley | Sound Editor |
| Sound | Norman Percival | Conductor |
| Production | Denis Holt | Production Manager |
| Costume & Make-Up | Tina Swanson | Wardrobe Assistant |
| Costume & Make-Up | Eddie Knight | Makeup Artist |
| Costume & Make-Up | Helen Penfold | Hairdresser |
| Camera | Geoffrey Faithfull | Director of Photography |
| Editing | Peter Bezencenet | Editor |
| Sound | Norman Percival | Original Music Composer |
| Directing | Barbara Cole | Continuity |
| Sound | George Adams | Sound Recordist |
| Production | Guido Coen | Producer |
| Writing | Brandon Fleming | Screenplay |
| Writing | Gerald Anstruther | Original Story |
| Directing | Ted Sturgis | Assistant Director |
| Directing | Charles Saunders | Director |
