Overview:Die Affäre Semmeling was a 2002 German teleplay, broadcast on ZDF. It starred Mario Adorf as Walter 'Beton-Walter' Wegener, Robert Atzorn as Dr. Klaus Hennig, Heinz Hoenig as Axel Ropert, Stefan Kurt as Sigi Semmeling and Heike Makatsch as Silke Semmeling.