 Until the outbreak of World War II, she appeared in the Teatr Powszechny in Warsaw, Teatr Nowy in Poznań, Teatr Polski in Katowice, and in Wilno.During the War, she fought in the Armia Krajowa and participated in the Warsaw Uprising.Kwiatkowska's first appearance after the War was in the Siedem Kotów (Seven Cats) cabaret in Kraków, where the renowned Polish poet, Konstanty Ildefons Gałczyński, authored a number of roles for her.