Fred Essler

as Mr. Klein

as Baron Karl Ludwig von Ettenburg

(1 episode) as Dr. Leipsig

(1 episode) as Mr. Potovsky

(1 episode) as Mr. Schultz

as Papa Mueller

(1 episode) as Adolph Strauss

(1 episode) as Halder

(1 episode) as Max, the Bookkeeper

(1 episode) as Papa Eros

(1 episode) as Baltus Van Tassel

as Ludwig Teller

as Captain

(1 episode) as Amos Lampton

(1 episode) as Mr. Kringle

(1 episode) as Gus Nepp

(1 episode) as German Jeweler

as Prof Schoepp

as Yo-Yo

(1 episode) as Carl Turner

(1 episode) as Arthur

(1 episode) as Steiner

as Dutchman

as Grandpa Reindley

(1 episode) as Walter

(1 episode) as Scientist Jan Moleska (uncredited)

as Benny

as Knubel (uncredited)

(1 episode) as Otto Heindorf

as Pierre

as Hans Dache

as Hernandez - Man with Briefcase (uncredited)

as Nikolai

as Monsieur Begue (uncredited)

as Marcel Vivin

as Marchetti (uncredited)

as Stooge (uncredited)

as Prof. Montague

as Mr. Bostoff (uncredited)

as Schultz (uncredited)

as Head Waiter

as Minister (uncredited)

as Consul (uncredited)

as Teuton

as Takahashi

as Dutch Banker (uncredited)