Leszek Kowalewski was born on October 14, 1946 in Warsaw, Mazowieckie, Poland. He was an actor, known for Chronik einer Fürstenfamilie (1987), Diese Liebe muß man töten (1972) and Das Sanatorium zur Todesanzeige (1973). He died on August 10, 1990 in Warsaw, Mazowieckie, Poland.