Otto Bolesch

as Dr. Krüger (4 episodes)

as Pharmacist

as Polizist (1 episode), as Nowitzky (1 episode)

as Wirt (1 episode), as Herr Martin (1 episode), as Wachmann Wiesner (1 episode), as Wessel (1 episode)

as Professor Kreuzkamm

as Branddezernent Schubart (1 episode)

as Ottokar Riese (1 episode)

as Dr. Clausen (1 episode)

as August Keil

as Beda

as Kriminalmeister Hamann (1 episode)

as Grandjean