Emerging from the East German theatrical tradition, Gwisdek launched his screen career in 1968 and accumulated appearances in more than 130 film and television productions. His directorial debut, Treffen in Travers, broke ground as the first East German entry screened in Cannes' Un Certain Regard in 1989, while his 1998 feature The Big Mambo was selected for the 48th Berlin International Film Fest…