Johannes Grossmann

as Prof. Dr. Wilhelm Himmel (159 episodes)

as Ingo Klausner (1 episode)

as Hauptmann Kappensteck (2 episodes)

as Herr Steguweit

as Walter Burger (16 episodes)

as Hofbeamter Dr. Hugo Fink

as Dr. Bernbacher

as Philip Tenson

as Dr.Jerg (1 episode)

as Nick Talbot

as Charly Cornell

as Prof. Konstantin Lombardi (2 episodes)

as Heinrich Ehlers

as Quantmeier

as Clitandre

as Jonny Steinitz (1 episode), as Karl Hacker (1 episode)

as John Watherstone

as Schramm

as Jacky Reynolds

as Matthias

as Unteroffizier Weiss

as Richmond