Fred Essler

as Mr. Klein

as Baron Karl Ludwig von Ettenburg

as Dr. Leipsig (1 episode)

as Mr. Potovsky (1 episode)

as Mr. Schultz (1 episode)

as Papa Mueller

as Adolph Strauss (1 episode)

as Halder (1 episode)

as Papa Eros (1 episode), as Max, the Bookkeeper (1 episode)

as Baltus Van Tassel (1 episode)

as Captain

as German Jeweler (1 episode)

as Mr. Kringle (1 episode)

as Amos Lampton (1 episode)

as Ludwig Teller

as Kohner

as Yo-Yo

as Prof Schoepp

as Arthur (1 episode)

as Carl Turner (1 episode)

as Steiner (1 episode)

as Grandpa Reindley

as Walter (1 episode)