Guest Stars Haley Louise Jones as Kirsten Maybach Rolf Kanies as Stefan Tremmel Annika Ernst as Elena Lange Paul Bohse as Leon Lange Angela Roy voices Prof. Constanze Winterberg Claudia Gaebel as Marina Karaman Dorothee Föllmer as Frau Schumacher Nadja Becker as Tine Winkhaus Pia Stutzenstein as Karla Torsten Knippertz as Günther Teichmann Jonas Gruber as Florian Schumacher
