Rafael Stachowiak

as Dr. Władysław Dering

as Spooky Janitor

as Poul Falk

as Henri Kahn

as Jan Karl Raspe

as Kalt (5 episodes)

as Director

as Bruno Berg

as Richard

as Milosz Dudek

as Marvin Schulz

as Dr. Georg Leibbrandt

as Ship Waiter Harry

as Bernd

as Jochen

as Tobias (2 episodes)

as Tobias

as Ludwig

as Thomas Zielinski

as Mischa

as Marian Kropinski

as Gero Petersen (1 episode)