Marcello Mastroianni
Alex
Sydne Rome
Nancy
Hugh Griffith
Joseph Noblart
Guido Alberti
Priest
Henning Schlüter
Catone
Mogens von Gadow
German
Dieter Hallervorden
German
Romolo Valli
Giovanni
François Périer
Enzo
Roman Polanski
Mosquito
Richard McNamara
Charlie
John Karlsen
Edward
Livio Galassi
Alvaro Vitali
Cross-Eyed Painter
Renate Langer
Naked Girl with Hat (uncredited)
Carla Mancini
Nerina Montagnani
Gianfranco Piacentini
Tony
Christiane Barry
Dresser
Pietro Tordi
Man-Servant
