Margot Brunner (played by Rosemarie Fendel) is a protagonist in Sister.
Wilma Brunner (played by Cornelia Froboess) appears in Sister.
Gregor Antonion (played by Matthias Habich) appears in Sister.
Pater Elias (played by Diego Wallraff) appears in Sister.
Jolanda (played by Christina Geiße) appears in Sister.
Mitbewohner Männerwohnheim (played by Lutz Lansemann) appears in Sister.
Herr Schön (played by Jörg Zick) appears in Sister.
Adrian (played by Bohdan Artur Świderski) appears in Sister.
