Klaus Wennemann (18 December 1940 – 7 January 2000) was a German television and film actor.
He is perhaps best known for his leading roles as the Chief Engineer, (the LI), in Das Boot, and as Faber in the TV series Der Fahnder.
He died in Bad Aibling, Bavaria, at the age of 59, from lung cancer.
Wennemann was good friends with fellow actor Jürgen Prochnow.
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