Michalina Olszanska is a Polish actress, writer, violinist, and vocalist. She began her violin studies at the age of seven. She studied at the Aleksander Zelwerowicz Theatre Academy in Warsaw. She is recognized for her performances in I, Olga Hepnarova (2016) where she played the title role, and Mathilde (2017) where she portrayed Mathilde Kschessinska. She also appeared in the movie Sobibor (2018).