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

Richard McNamara

Charlie

John Karlsen

Edward

Livio Galassi

Alvaro Vitali

Cross-Eyed Painter

Renate Langer

Naked Girl with Hat (uncredited)

Carla Mancini

Nerina Montagnani