Jürgen Prochnow is a German actor born on June 10, 1941, in Berlin, Germany. He is best known for his role as Captain Heinrich Lehmann-Willenbrock in the acclaimed film Das Boot, which depicts the experiences of a German U-boat crew during World War II. Prochnow's performance in this film earned him international recognition. Throughout his career, Prochnow has appeared in various films and television series, including The Da Vinci Code and The Seventh Sign. He has worked in both German and English-language productions, showcasing his versatility as an actor. Prochnow continues to be active in the film industry.