Peter Groeger

as Botschafter Lang

as Dir. Schwalbe (55 episodes)

as Professor (voice) (1 episode)

as Emil Roth (1 episode)

as Professor

as Fritz Wuttke (1 episode)

as Franta Sauer

as Professor (voice)

as (voice)

as Hans Henske (1 episode), as Siegfried (1 episode), as Laborant der K (1 episode), as Herr König (1 episode)

as Henri (4 episodes)

as Werner Marbach (1 episode), as KfZ-Meister Lorenzen (1 episode)

as Fritz

as Sailor Heinz