Karl Michael Vogler

as Dutch Michael / Glassman (voice)

as Johann von Zitzewitz

as Harald Hofer

as Anton Boden

as Dr. Walter Hill

as Schachtschneider

as Herr Arndt

as Prälat Wörle (1 episode)

as Prof. Dr. Bernhardt (27 episodes)

as Theodor van Lück (3 episodes)

as Graf Achilles von Fall (3 episodes)

as Bernd Sudheimer (13 episodes)

as Großvater (1 episode)

as Gründler (1 episode)

as Reeder Illmann (13 episodes)

as Don Ramon (11 episodes)

as Dr. Castellotti

as Leonhard (1 episode)

as Mario (1 episode)

as Stein (12 episodes)

as Professor Gregor DelBrueck (1 episode)

as Edzard Michael Graf von Bruch (6 episodes)

as Jack Radford