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

Vittorio De Sica