Leo Slezak was born on August 18, 1873 in Mährisch-Schönberg, Austria-Hungary. He was an actor, known for Die lustigen Weiber (1936), Der Mann, der nicht nein sagen kann (1938) and Der letzte Wiener Fiaker (1937). He was married to Elisabeth Wertheim. He died on June 1, 1946 in Rottach-Egern, Bavaria, Germany.