Zygmunt Boncza-Tomaszewski was born on January 16, 1905 in Marysienka, Belarus, Russian Empire [now Belarus] as Zygmunt Zachariasz Tomaszewski. He was an actor, known for Sublokator (1966) and Rola (1971). He died on October 15, 1976 in Warsaw, Mazowieckie, Poland.