| Original title | Oltre la porta | 
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| Danish title | Bag dørene | 
| Leikstjórn | Liliana Cavani | 
| Screenplay | Liliana Cavani, Enrico Medioli | 
| Producer | Francesco Giorgi | 
| Director of Photography | Luciano Tovoli | 
| Editor | Ruggero Mastroianni | 
| Composer | Pino Donaggio | 
| Production designer | Dante Ferretti | 
| Appearance | Marcello Mastroianni, Eleonora Giorgi, Tom Berenger | 
| Land | Italien | 
| Domestic distribution | Bellevue Film | 
| Technical info | 35 mm, Technicolor, Tone | 
| Danish theatrical release | 11.02.1984 | 
| Cinemas | Delta | 
      Companies | 
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| Production company | Futur Film '80, Cineriz Distributori Associati, RAI (Radiotelevisione Italiana) | 
| Domestic distribution | Bellevue Film | 
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      Instruktion | 
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| Instruktion | Liliana Cavani | 
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      Manus | 
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| Manus | Liliana Cavani | 
| Manus | Enrico Medioli | 
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      Produktion | 
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| Producer | Francesco Giorgi | 
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      Foto | 
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| Foto | Luciano Tovoli | 
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      Klip | 
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| Klip | Ruggero Mastroianni | 
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      Musik | 
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| Musik | Pino Donaggio | 
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      Produktionsdesign | 
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| Produktionsdesign | Dante Ferretti | 
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      Medvirkende | 
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| Medvirkende | Marcello Mastroianni | 
| Medvirkende | Eleonora Giorgi | 
| Medvirkende | Tom Berenger | 
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