Tilo Prückner

as Herr Kaan

as Günter

as Rudi Weissglut

as Wallberg

as Dr. Neufeld

as Theo (6 episodes)

as Herr Kaan

as Theo

as Rudi Weissglut

as Dr. Bäuerle

as Walter Claasen

as Herr Kaan

as Nikolaus Kaminsky

as Kluftinger Senior

as Kluftinger Senior

as Rudi Weissglut

as Dr. Harald Prieger

as Tobias Nystadt

as Jakobs Vater

as Herr Kaan

as Edwin Bremer (56 episodes)

as Johannes

as Vater Peter

as Dr. Ehlers

as Glasmännlein