Michal Znicz was born in 1888 in Warsaw, Poland, Russian Empire as Michal Feiertag. He was an actor, known for Co mój maz robi w nocy (1934), Zolnierz królowej Madagaskaru (1940) and Panienka z poste restante (1935). He died on December 24, 1943 in Pruszków, Mazowieckie, Poland.