| Original title | Piatka z ulicy barskiej | 
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| Danish title | De farlige aar | 
| International titles | Five boys of Barska Street, Five boys from Barska Street | 
| Leikstjórn | Aleksander Ford | 
| Screenplay | Aleksander Ford, Kazimirz Kozniewski | 
| Based on | Efter Kazimirz Kozniewskis roman. | 
| Director of Photography | Jaroslav Tuzar, Karol Chodura | 
| Editor | Wieslawa Otocka, H. Kubik | 
| Composer | Kazimierz Serocki | 
| Production designer | Anatol Radzinowicz | 
| Appearance | Aleksandra Slaska, Tadeusz Janczar, Andrzej Kozak | 
| Land | Polen | 
| Domestic distribution | Dansk-Svensk Film | 
| Technical info | Agfacolor, Tone | 
| Danish theatrical release | 19.09.1955 | 
| Cinemas | Roxy | 
| Find more | Anm. Kosmorama #11. | 
      Companies | 
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| Production company | WFF | 
| Domestic distribution | Dansk-Svensk Film | 
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      Instruktion | 
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| Instruktion | Aleksander Ford | 
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      Manus | 
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| Manus | Aleksander Ford | 
| Manus | Kazimirz Kozniewski | 
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      Produktion | 
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| Produktion | Kazimirz Gazewski | 
| Produktion | Ignacy Taub | 
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      Foto | 
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| Foto | Jaroslav Tuzar | 
| Foto | Karol Chodura | 
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      Klip | 
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| Klip | Wieslawa Otocka | 
| Klip | H. Kubik | 
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      Musik | 
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| Musik | Kazimierz Serocki | 
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      Produktionsdesign | 
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| Produktionsdesign | Anatol Radzinowicz | 
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      Medvirkende | 
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| Medvirkende | Aleksandra Slaska | 
| Medvirkende | Tadeusz Janczar | 
| Medvirkende | Andrzej Kozak | 
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