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 Dorothee Föllmer as Frau Schumacher Pia Stutzenstein as Karla Nadja Becker as Tine Winkhaus Torsten Knippertz as Günther Teichmann Claudia Gaebel as Marina Karaman Jonas Gruber as Florian Schumacher
