Henner Quest

as Konrad Schumann

as Stewart Moore

as Adam O'Mally (1 episode)

as Rektor

as Max Wiesner (130 episodes)

as Neuper (1 episode)

as Dr. Herzog (13 episodes)

as Tontechniker (1 episode)

as Arzt (1 episode)

as „Lüngerl“ (44 episodes)

as Bernd Lohse (1 episode)

as Dr. Manfred Bronnengießer (13 episodes)

as Kurt Dalan

as Niegel (26 episodes)

as Alexander

as Jakob Spielmann

as Jochen

as Lois