Guest Stars Hannes Ringlstetter as Yazid Sigi Zimmerschied as Robert Hansen Gerd Ekken-Gerdes as Siggi Baumegger Dietmar Mössmer as Dr. Maximilian Barth Can Schneider as Timo Weidner Nicole Belstler-Boettcher as Hedi Seelmann Katja Keller as Friederike Barth Margit Geissler-Rothemund as Ines Berling Elisabeth Müller as Mara Laudinger Credit Only Alina Stiegler as Johanna Girwidz Franz-Xaver Brückner as Mathias Zindler Sabrina Frank as Marion Seelmann