E Acting Erika Koßmann No biography available. ↗ Share Known For‹Princess Sissy · 1939Princess Sissy★ 7.01939MovieComedySissy (a character Romy Schneider would later popularize in the 50s) is Duke Maximilian of Bavaria's favorite daughter.The gift of a necklace,meant for her, falls into the hands of a crooked circus director.▶+› FilmographySortPopularNewestTop ratedPrincess Sissy · 1939Princess Sissy★ 7.01939MovieComedySissy (a character Romy Schneider would later popularize in the 50s) is Duke Maximilian of Bavaria's favorite daughter.The gift of a necklace,meant for her, falls into the hands of a crooked circus director.▶+Bella