Jürgen Prochnow

Jürgen Prochnow (born 10 June 1941) is a German-American actor. His international breakthrough was his portrayal of the good-hearted and sympathetic U-boat Commander "Der Alte" ("Old Man") in the 1981 war film Das Boot. He is also known for his roles in The Lost Honour of Katharina Blum (1975), Dun…