Carlo Ponti
Producer Arthur Cohn
Producer Vittorio De Sica
Director

Marcello Mastroianni
Valerio Faye Dunaway
Julia Enrico Simonetti
Party Host Karin Eugh
Griselda Esmeralda Ruspoli
Griselda Caroline Mortimer
Maggie Mirella Pamphili
Party Guest (as Mirella Panfili) Yvonne Gilbert
Marie

Carlo Palmieri
Sound Douglas Kirkland
Still Photographer Julian Zimet
Screenplay Adriana Novelli
Editor Renato Cadueri
Sound Zeno Vukelich
Music Director Roberto Forges Davanzati
Assistant Camera Ennio De Concini
Screenplay Tonino Guerra
Screenplay Peter Baldwin
Screenplay Cesare Zavattini
Screenplay Manuel De Sica
Original Music Composer