Horst Schulze

as Schmuckstein

as Auctioneer

as Opa Frank

as Egon Kirsche

as Albert Schindler (1 episode)

as Stephan Zeller (1 episode)

as Dr. Falke

as Prof. Stark (2 episodes)

as Alfred Schramm

as Gustav Huber

as Hennings Großvater

as Erich Schulze

as Professor Kittguß

as Erdmann Neumeister (4 episodes)

as Wilhelm Dreibrot (1 episode)

as Lepetit

as Krantz

as Leibniz

as Dr. Tilman Blumhagen (7 episodes)

as Adam Weise (2 episodes)

as Verkaufsstellenleiter

as Zinn

as Alexander Reither (3 episodes)