Heinrich Lehmann-Willenbrock (Jürgen Prochnow)

Kapitänleutnant Heinrich Lehmann-Willenbrock was the commanding officer of the German U-boat the U-96. He is often called "The Old Man" by his crew. A 30-year-old battle-hardened but good-hearted and sympathetic sea veteran, who complains to Werner that most of his crew are boys. He is openly...