as Dr. Carelli

as Italian Professor

as Massina

as Alex's Ukulele Tutor

as Ilmar

as Tony, Slender Henchman

as Prof. Stromboli

as Senator (uncredited)

as Giuseppe

as uncredited

as Frenchman

as Dino

as Luigi (uncredited)

as Cesare Bonelli

as The Viper

as Don Esteban

as Hunya

as Dolange

as Pierpoint

as Michael Standing

as Boris Bolero

as Manager

as Carlo Ravelli

as Mario Fideli

as Steward

as Valdez

as Manager

as Manager of Cabaret

as Crook

as Russian Ambassador

as Hotel Clerk

as Pierre

as Commandante Arletti

as Van Draper

as Hotel Hall Porter

as Director of Cellini Gallery in Rome

as Scipio