Leokadia Pancewicz-Leszczynska was born on November 8, 1888 in Warsaw, Poland, Russian Empire [now Warsaw, Mazowieckie, Poland] as Leokadia Rzecznik. She was an actress, known for Barbara Radziwillówna (1936), Halka (1937) and Trzy serca (1939). She died on December 26, 1974 in Warsaw, Mazowieckie, Poland.