Krystyna Waleria Sienkiewicz (14 February 1935 – 12 February 2017) was a Polish actress and singer. She was born in Ostrów Mazowiecka. Her career began in 1955. In 1958, Sienkiewicz was in her first movie, "Farewells" by Wojciech Has. From that moment she appeared in more than 20 movies, including "Jutro premiera" (1962), "Lekarstwo na miłość" (1967) and "Rzeczpospolita Babska" (1969). 