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