Oliver Bootz

as Alfred Linden

as Prof. Peter Schweizer (1 episode)

as Frank

as Thomas Graf

as Torben Vosskopf (1 episode)

as Boris Garms (1 episode)

as Eric West

as Alex

as Valentins Freund

as Michael

as Alex

as Max Ryman

as Ralf Sommer (1 episode)

as Gerhard Roggenkamp (1 episode)

as Jeff Defries

as Christian Beck

as Franck Zechira (1 episode)

as Tom Albrecht

as Frank

as Ricardo

as Ricardo (2 episodes)

as Frederik Forster

as Nikolas Deisenberg (1 episode)