Utz Richter

as Herr Mahn

as Herr Wirts (1 episode)

as Herr Busche (1 episode)

as Wao-Hao / No-How (Ratte / Ein alter Forscher) (52 episodes)

as Gymnasialdirektor Alfred Kühne

as Presiding Judge (3 episodes)

as Major Mahlke

as Jagodin

as Notar (1 episode)

as Lenert