Jack LemmonWendell Armbruster, Jr. / Executive Producer Juliet MillsPamela Piggott Clive RevillCarlo Carlucci Edward AndrewsJ.J. Blodgett Franco AngrisanoArnoldo Trotta Franco AcamporaArmando Trotta Raffaele MottolaPassport Officer Antonino Faà di BrunoConcierge (as Antonino Faa' Di Bruno) Yanti SomerNurse (as Yanti Sommer) María Rosa SclauzeroHostess Melù ValenteHostess (as Melu' Valente) Bruno AliasMan at Airport (uncredited) Sergio BruniSinger Sergio Bruni (uncredited) Pasquale CampagnolaPolice commissioner (uncredited) Nestore CavaricciMale Nurse (uncredited) Enrico CesarettiMan at Airport (uncredited) Armando De MartinoAlberto Trotta (uncredited) Giorgio DolfinWaiter (uncredited) Andrea EsterhazyHotel Guest (uncredited) Ferruccio FregoneseMan at Aiport (uncredited) Ettore GeriAirplane Passenger (uncredited) Armando GiovagnoliBaron Von Schmetterling (uncredited) Ty HardinHelicopter Pilot (uncredited) Margherita HorowitzHotel Guest (uncredited) Silvio KleinMan at Airport (uncredited) Alba MaioliniWoman at Airport (uncredited) Giuseppe MarroccoCommissionaire (uncredited) Anna Maria PeregoWoman at Hotel (uncredited) Luigi ScavranSommelier (uncredited) Pupita Lea ScuderoniAirline Passenger (uncredited) Maria TedeschiHotel Guest (uncredited) Giuseppe TerranovaCommissionaire (uncredited) Bruno TocciPolice Escort (uncredited) Sandra WolffAirplane Passenger (uncredited) Lidia ZanussiHotel Guest (uncredited) Gianni Di SegniPoliceman (uncredited) Billy WilderDirector / Screenplay / Producteur I. A. L. DiamondScreenplay Jack LemmonWendell Armbruster, Jr. / Executive Producer Ferdinando ScarfiottiArt Direction Luigi KuveillerDirector Of Photography Carlo RustichelliOriginal Music Composer Samuel A. TaylorTheatre Play 
