| Original title | The October man | 
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| Danish title | Angstens skygge | 
| Leikstjórn | Roy Baker | 
| Screenplay | Eric Ambler | 
| Based on | Roman af Eric Ambler. | 
| Director of Photography | Erwin Hillier | 
| Editor | Alan L. Jaggs | 
| Composer | William Alwyn | 
| Appearance | John Mills, Joan Greenwood, Kay Walsh | 
| Land | Storbritannien | 
| Domestic distribution | Eagle Lion | 
| Technical info | 35 mm, 1,37:1 Academy, Sort-hvid, Tone | 
| Danish theatrical release | 20.09.1948 | 
| Cinemas | Park, Amager Bio | 
| Danish rating | Forbudt for børn u. 16 år (1935-1969) | 
      Companies | 
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| Production company | Two Cities | 
| Domestic distribution | Eagle Lion | 
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      Instruktion | 
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| Instruktion | Roy Baker | 
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      Manus | 
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| Manus | Eric Ambler | 
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      Produktion | 
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| Produktion | Eric Ambler | 
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      Foto | 
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| Foto | Erwin Hillier | 
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      Klip | 
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| Klip | Alan L. Jaggs | 
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      Musik | 
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| Musik | William Alwyn | 
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      Medvirkende | 
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| Medvirkende | John Mills | 
| Medvirkende | Joan Greenwood | 
| Medvirkende | Kay Walsh | 
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