Oliver Stokowski

as Albert’s father

as Volker Abeler

as Der Arbeiter Pedro Jaquéras / Teresa Carrars Bruder

as Knud Andresen (4 episodes)

as Professor Imhoff

as Horst Lichter

as Albert

as Daniel

as Robert

as Professor Gruner (3 episodes)

as Zach Urban

as Torsten Büttner

as Frank Baumschulte (2 episodes)

as Martin Wildner

as Karl Bichler

as Ronald

as Hermann

as Friedel Weiland

as Pawel Petrowitsch Kirsanow

as Ha-Gü

as Raffael Sobcinski

as Wolf Berger (2 episodes)

as Lutz Müller