Mario Majeroni

as Prince Zibatchefsky

as Count Krenko (uncredited)

as DeMaubert

as Senator Cornejo

as Prime Minister

as La Roche

as David Wilkins

as Gaston Laroux

as Duc de Lille

as Capriano

as Silas Blackburn

as Uncle Joe Russell

as Dr. Steven Trow

as The Hypnotist

as Henri Le Roque

as Baldini, Opera Impresario

as Ramlan

as James Larrabee

as Mr. Fonesco

as Gen. Rivas

as David Mantz