as Mr. Bostoff (uncredited)
as Baron Karl Ludwig von Ettenburg
as Prof Schoepp
as Benny
as Mr. Klein
as Monsieur Begue (uncredited)
as Yo-Yo
as Knubel (uncredited)
as Schultz (uncredited)
as Dutchman
as Marcel Vivin
as Ludwig Teller
as Captain
as Nikolai
as Marchetti (uncredited)
