Guest Stars Annika Ernst as Elena Lange Rolf Kanies as Stefan Tremmel Haley Louise Jones as Kirsten Maybach Paul Bohse as Leon Lange Yung Ngo as Dr. Lee Kwon Christian Hockenbrink as Dr. Niklas Rössler Hubertus Hartmann as Prof. Dr. Oliver Kohaupt Valerie Potozki as Siri Arvidsson Mohammed-Ali Behboudi as Dr. Patel Jürgen Rißmann as Musicalproduzent Max Urlacher as Carsten Peters Janine Kunze as Britta Krause Nicholas Bodeux as Fußballtrainer Tobias van Dieken as Robin Münch Mickie Krause as Himself Nadine Menz as Yvonne Josefin Bressel as Liane Peter Obermann as Produktionsleiter Hartung
