Wolfgang Hinze

as Siegbert Meinhardt

as Professor

as Heinrich Reinhardt

as Hinrich Hagenström

as Professor Lengsberg (1 episode)

as Norbert Krämers

as Mr. Hauser

as Priest Drexler

as Dr. Bachmann

as Dr. Graefe

as Prof. Bernhardi

as Bergmann (2 episodes)

as Markwitz (1 episode)