Boleslaw Mierzejewski was born on 7 October 1887 in Warsaw, Poland, Russian Empire [now Warsaw, Mazowieckie, Poland]. He was an actor and director, known for Tredowata (1926), Mocny czlowiek (1929) and Na jasnym brzegu (1921). He died on 7 October 1980 in Katowice, Slaskie, Poland.