- Marcello Mastroianni
- Alex
- Sydne Rome
- Nancy
- Hugh Griffith
- Joseph Noblart
- Romolo Valli
- Giovanni
- Guido Alberti
- Priest
- Henning Schlüter
- Catone
- Gianfranco Piacentini
- Tony
- Christiane Barry
- Dresser
- Dieter Hallervorden
- German #2
- Elisabeth Witte
- Nurse
- Mogens von Gadow
- German #1
- Carlo Delle Piane
- Young Oaf #1 in Car
- Luigi Bonos
- Painter
- Nerina Montagnani
- Chambermaid
- Mario Bussolino
- Young Oaf #2 in Car
- Franco Pesce
- Renzo
- Pietro Tordi
- Caretaker
- Alvaro Vitali
- Cross-Eyed Painter
- Cicely Browne
- Ruth
- John Karlsen
- Man-Servant Edward
- Renate Langer
- Naked Girl with Hat
- Richard McNamara
- Charlie
- Roger Middleton
- Jimmy
- Birgitta Nilsson
- Naked girl
- Roman Polanski
- Mosquito
