Heino Ferch

as Dr. Justus Förster

as Otto Winter (6 episodes)

as Father Vitus

as Leander Dahlmann

as Alfred Klaus

as Robert Bischoff (2 episodes)

as Hauke Mayer (6 episodes)

as Richard Schauer (1 episode)

as Moritz Wagner

as Max Grosz (6 episodes)

as Dr. Karven

as Ingo Thiel

as Johann Friedrich von Allmen

as Ralph (1 episode)

as Simon Kessler (2 episodes)

as Captain Smith

as Paul Langner

as Roland Wenninger (6 episodes)

as Robert Fleckmann

as Johann Friedrich von Allmen

as Professor Fassbender (3 episodes)

as Prof. Leonard Damovsky

as Ulf Lundin

as Heino Fersch (1 episode)