| Original title | La cittá si difende | 
|---|---|
| Danish title | Storbyens jungle | 
| International titles | Four ways out | 
| Leikstjórn | Pietro Germi | 
| Screenplay | Federico Fellini | 
| Director of Photography | Carlo Montuori | 
| Editor | Rolando Benedettu | 
| Composer | Carlo Rustichelli | 
| Production designer | Carlo Egidi | 
| Appearance | Paul Muller, Renato Baldini, Gina Lollobrigida | 
| Land | Italien | 
| Domestic distribution | Codania Film | 
| Technical info | 35 mm, Normal, Sort-hvid, Tone | 
| Danish theatrical release | 11.03.1957 | 
| Danish rating | Forbudt for børn u. 16 år (1935-1969) | 
      Companies | 
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| Production company | Cines | 
| Domestic distribution | Codania Film | 
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      Instruktion | 
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| Instruktion | Pietro Germi | 
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      Manus | 
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| Manus | Federico Fellini | 
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      Produktion | 
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| Produktion | Vittorio Forges Tavanzat | 
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      Foto | 
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| Foto | Carlo Montuori | 
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      Klip | 
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| Klip | Rolando Benedettu | 
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      Musik | 
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| Musik | Carlo Rustichelli | 
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      Produktionsdesign | 
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| Produktionsdesign | Carlo Egidi | 
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      Medvirkende | 
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| Medvirkende | Paul Muller | 
| Medvirkende | Renato Baldini | 
| Medvirkende | Gina Lollobrigida | 
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