Question: Fregattenkapitän Heinrich Lehmann-Willenbrock was a submarine commander in Germany during World War II and the subject of the mini-series called "Das Boot" when he was portrayed by which actor? 
Sentence (from "Heinrich Lehmann-Willenbrock"): Fregattenkapitän Heinrich Lehmann-Willenbrock (11 December 1911 – 18 April 1986) was a submarine commander in the "Kriegsmarine" of Nazi Germany during World War II.
Relevant evidence: Yes