Deutsche Film (DEFA) ; distributed by VEB Progress Film-Vertrieb and DEFA Film Library, University of Massachusetts Amherst ; directed by Konrad Wolf ; written by Christa Wolf, Gerhard Wolf, Willi Brückner and Kurt Barthel
DreamWorks Pictures and Constantin Film present ; a Constantin Film, VIP Medienfonds 4 production ; in co-production with Nouvelles Éditions de Films and Castelao Productions ; directed by Tom Tykwer ; screenplay by Andrew Birkin & Bernd Eichinger & Tom Tykwer ; produced by Bernd Eichinger ; co-producer, Gigi Oeri