| Original title | The password is courage |
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| Danish title | Fangelejrens helvede |
| Leikstjórn | Andrew L. Stone |
| Screenplay | Andrew L. Stone |
| Based on | bog af John Castle. |
| Director of Photography | David Boulton |
| Editor | Noreen Ackland |
| Appearance | Dirk Bogarde, Maria Perschy, Alfred Lynch |
| Land | Storbritannien |
| Domestic distribution | Metro-Goldwyn-Mayer |
| Danish theatrical release | 04.11.1963 |
| Cinemas | Bristol |
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| Production company | Andrew L. Stone |
| Domestic distribution | Metro-Goldwyn-Mayer |
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Instruktion |
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| Instruktion | Andrew L. Stone |
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Manus |
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| Manus | Andrew L. Stone |
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Produktion |
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| Produktion | Andrew L. Stone |
| Produktion | Virginia Stone |
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Foto |
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| Foto | David Boulton |
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Stills |
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| Stills | Albert Clarke |
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Klip |
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| Klip | Noreen Ackland |
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Medvirkende |
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| Medvirkende | Dirk Bogarde |
| Medvirkende | Maria Perschy |
| Medvirkende | Alfred Lynch |
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