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 Christian Hockenbrink as Dr. Niklas Rössler Hubertus Hartmann as Prof. Dr. Oliver Kohaupt Valerie Potozki as Siri Arvidsson Tobias van Dieken as Robin Münch Mohammed-Ali Behboudi as Dr. Patel Max Urlacher as Carsten Peters Janine Kunze as Britta Krause Jürgen Rißmann as Musicalproduzent Nicholas Bodeux as Fußballtrainer Mickie Krause as Himself Nadine Menz as Yvonne Josefin Bressel as Liane Peter Obermann as Produktionsleiter Hartung
