From Wikipedia, the free encyclopedia. Florentine Lahme (born July 21, 1974 in Berlin, Germany) is a German actress. After she passed her Abitur, Lahme studied Japanology and English for four semesters. After that she decided to become an actress. One of her first noted roles was "Karen Stember" a student nurse in the German TV show Geliebte Schwestern (trans. "Beloved Sisters"). This went on for 250 episodes. She also had numerous appearances in other German shows and feature films. She last played the role of Nadia Schilling in the TV seri…