Leon Stanis?aw Niemczyk was a Polish actor.
Niemczyk appeared in over 500 films and television shows over the course of his career. His most memorable roles were Fulko de Lorche in Aleksander Ford's The Teutonic Knights and Andrzej in Roman Polanski's Knife in the Water.
During World War II, he served under Gen. George S. Patton in the U.S. 3rd Army. He died of cancer.
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