Guest Stars Haley Louise Jones as Kirsten Maybach Annika Ernst as Elena Lange Rolf Kanies as Stefan Tremmel Paul Bohse as Leon Lange Yung Ngo as Dr. Lee Kwon Laura Berlin as Julia Weigert Axel Stein as Thomas Müller Guido Broscheit as Prof. Christian Berkenbusch Penelope Frego as Giulia Casiraghi Anna-Katharina Fecher as Vanessa Henke Karolina Lodyga as Sonya Kozyra Juri Senft as Elias Jacobi
