Guest Stars Rolf Kanies as Stefan Tremmel Annika Ernst as Elena Lange Haley Louise Jones as Kirsten Maybach Paul Bohse as Leon Lange Yung Ngo as Dr. Lee Kwon Jesse Albert as Andreas Guido Broscheit as Prof. Christian Berkenbusch Penelope Frego as Giulia Casiraghi Jochen Stern as Josef Wenger Maya Bothe as Carola Wenger Martin Aselmann as Peter Wenger Nicole Alice Sienkiewicz as Veganerin
