On screen
Cast
20 credited performers
Marcello Mastroianni
Alex
Sydne Rome
Nancy
Hugh Griffith
Joseph Noblart
Guido Alberti
Priest
Henning Schlüter
Catone
Artwork unavailable
Gianfranco Piacentini
Tony
Artwork unavailable
Christiane Barry
Dresser
Pietro Tordi
Man-Servant
Mogens von Gadow
German
Dieter Hallervorden
German
Romolo Valli
Giovanni
Roman Polanski
Mosquito
Richard McNamara
Charlie
John Karlsen
Edward
Livio Galassi
Character not listed
Alvaro Vitali
Cross-Eyed Painter
Renate Langer
Naked Girl with Hat (uncredited)
Carla Mancini
Character not listed
Nerina Montagnani
Character not listed
Franco Pesce
Character not listed