Roland Koch

as Tono Pfeifer (2 episodes)

as J.C. Eddy (4 episodes)

as Carl Moll

as Max Bachmann

Sound

as Rechtsanwalt Henning Will

as Heinrich Holderlein (1 episode)

as Roman

as Karl

as Ralf

as Prof. Christian Wehmann (1 episode)

as Dr. Mahler (1 episode), as Kai Broeder (1 episode)

as Commander Cook

as Rektor Demmler (1 episode)

as Markus von Rheinberg (20 episodes)

as Sebastian Karger (1 episode)

as Anton Brück

as Stefan Huber

as Dr. Thomas Burghagen (1 episode)

as Janosch Anders

as Max (5 episodes)

as Nick Hürzler

as Peter Wittmann (1 episode)

as Dr. Ulrich Gesswein (40 episodes)