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Donald Houston as Dr. Alex Waring |
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Adrienne Corri as Laura Shelton |
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Lyndon Brook as Dr. Ian Breck |
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Jean Cadell as Henrietta Stevens |
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Sydney Tafler as Dr. Hearne |
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Mervyn Johns as Mr. Waring |
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Marie Ney as Matron Fiske |
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Ronald Adam as Major Tilling |
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John Welsh as Inspector Austen |
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Beatrice Varley as Mrs. Waring |
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Noel Hood as Sister Slater |
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Frank Forsyth as Anaesthetist |
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Tom Bowman as Surgeon |
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Susan Westerby as Miss Jenner |
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Betty Shale as Garsten |
| Sound | Fred Ryan | Sound Recordist |
| Art | John Stoll | Art Direction |
| Directing | Gordon Parry | Director |
| Writing | Anne Hocking | Novel |
| Editing | Jim Connock | Editor |
| Production | R. E. Dearing | Production Manager |
| Sound | Philip Martell | Music Director |
| Sound | Bruce Montgomery | Original Music Composer |
| Camera | Desmond Davis | Camera Operator |
| Writing | Robert Westerby | Writer |
| Camera | Lionel Banes | Director of Photography |
| Directing | Buddy Booth | First Assistant Director |
| Production | Charles Leeds | Producer |
| Costume & Make-Up | John O'Gorman | Makeup Artist |
| Directing | Lorna Selwyn | Continuity |
