Karl Günther

as Kommerzienrat Riebling

as Prof. Sprenger, Hans' Chef

as Direktor Kroll

as Stollberg

as Giulio Sedgwick

as Kaufmann Sedgewick

as Kommissar

as Theaterintendant

as Henckelberg - Bankier

as Baron von Geldern aka Baroff

as Graf Vitzthum

as Bruno, Fernebecks Freund