Dietmar Mues

as Heinrich

as Udo Winter

as Guido Gründer

as Helmut Lürzer

as Niklas Petersen (2 episodes)

as Professor Borgmann

as Dr. Heidenreich (1 episode)

as Jens Brok (1 episode)

as Ludwig Demski (1 episode)

as Professor Zeiler (1 episode)

as Heiner Fromme (1 episode)

as Baron Karl von Hohenau

as Baron Karl von Hohenau (2 episodes)

as Self (1 episode)

as Professor Opp (1 episode), as Herbert Scheuermann (1 episode)

as Filialleiter Zychi

as Pfarrer Lentz

as Cord Hansen (1 episode)

as Oberstaatsanwalt König (1 episode)

as Anwalt

as Ross Keeler (1 episode)