Willi Kowalj was born on 6 February 1943 in Berlin, Germany. He was an actor, known for PS - Geschichten ums Auto (1975), Endspurt (1970) and Der Seewolf (1971). He died in 1988.

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Helga Anders, Hans Baur, and Willi Kowalj in Derrick (1974)

Willi Kowalj(1943-1988)

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