Marcello Mastroianni

Bruno Baldassarre

Acting

Agostina Belli

Teresa Colasanti

Acting

Ursula Andress

Princess Anna Dell'Orso

Acting

Peter Ustinov

Harry Hellman

Acting

Jean-Claude Brialy

Van Nijlen

Acting

Mario Scaccia

Marino Cianciarelli

Acting

Gianfranco Barra

Cantalamessa

Acting

Giuseppe Anatrelli

Carru

Acting

Serge Frédéric

Melzio

Acting

Jean-Patrick Junoy

Alex

Acting

Luigi Zerbinati

The 'Debosciato', nephew of Prince Dell'Orso

Acting

Angelo Monte

Acting

Massimiliano Monti

Acting

Francesco Infantino

Acting

Antonio Spinnato

Acting

Catharina Dahlin

Edith (as Caterina Dalin)

Acting

Angelo Piazza

Acting

Paola Orefice

Acting

Nando Paone

Conductor

Acting

Jimmy il Fenomeno

Protester (uncredited)

Acting