Guest Stars Rolf Kanies as Stefan Tremmel Annika Ernst as Elena Lange Haley Louise Jones as Kirsten Maybach Yung Ngo as Dr. Lee Kwon Angela Roy as Prof. Constanze Winterberg Christian Hockenbrink as Dr. Niklas Rössler Axel Stein as Thomas Müller Tino Mewes as Ferdinand von Hohensteissen Lucas Prisor as Ludwig von Hohensteissen Mimi Fiedler as Cassandra von Hohensteissen Pierre Shrady as Butler Jasper Vincent Bermel as Autoverkäufer Kaiser
