Bernhard Schir

as Kurt Illitsch

as Victor Almeda (2 episodes)

as Torsten Brokämper

as Bernard Dardenne (24 episodes)

as Werner Faymann

as Günter Reinartz

as Hilmar Graumann (15 episodes)

as Wolfgang Zielert (6 episodes)

as Hebenstreit

as Julius Schuster (2 episodes)

as Dr. Markus Toprak (2 episodes)

as Professor Gottschalk

as Markus Born (1 episode)

as Prof. Eder

as Hadrian Melzer (61 episodes)

as Feininger

as Dr. Quirin Werner (1 episode)

as Simon Matchett

as Jan Maywald

as Martin Ahlers

as Ben

as Cristof Kremer

as Gerd Sand