Gerd Duwner: Gerd Duwner. Actor: Die drei Klumberger. Gerd Duwner was born on 15 November 1925 in Berlin, Germany. He was an actor, known for Die drei Klumberger (1977), Warum die UFOs unseren Salat klauen (1980) and Direktion City (1976). He died on 10 May 1996 in Berlin, Germany.
Known For: Die drei Klumberger (Herr Hartmann), Warum die UFOs unseren Salat klauen (Senator), Direktion City (Der DickeDicker), Die Didi-Show (Production Manager)