| Original title | Brother John | 
|---|---|
| Danish title | Hvem var John Kane? | 
| Other titles | Brother Kane | 
| Leikstjórn | James Goldstone | 
| Screenplay | Ernest Kinoy | 
| Director of Photography | Gerald Perry Finnerman | 
| Editor | Edward A. Biery | 
| Composer | Quincy Jones | 
| Appearance | Sidney Poitier, Will Geer, Bradford Dillman | 
| Land | USA | 
| Domestic distribution | Columbia | 
| Technical info | 35 mm, Normal, Eastmancolor, Tone | 
| Danish theatrical release | 26.12.1971 | 
| Cinemas | Park | 
| Kommentar | Censurnr. 3262 | 
| Danish rating | Tilladt for børn over 12 år (1960-1997) | 
      Companies | 
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| Production company | E-R Productions | 
| Domestic distribution | Columbia | 
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      Instruktion | 
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| Instruktion | James Goldstone | 
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      Manus | 
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| Manus | Ernest Kinoy | 
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      Produktion | 
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| Produktion | Joel Glickman | 
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      Foto | 
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| Foto | Gerald Perry Finnerman | 
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      Klip | 
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| Klip | Edward A. Biery | 
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      Musik | 
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| Musik | Quincy Jones | 
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      Medvirkende | 
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| Medvirkende | Sidney Poitier | 
| Medvirkende | Will Geer | 
| Medvirkende | Bradford Dillman | 
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