Marcello Mastroianni

as Sergei (Sergio)

Sophia Loren

as Isabella de la Fontaine

Jean-Pierre Cassel

as Olivier de la Fontaine

Kim Basinger

as Kitty Potter

Chiara Mastroianni

as Sophie Choiset

Stephen Rea

as Milo O'Brannigan

Anouk Aimée

as Simone Lowenthal

Rupert Everett

as Jack Lowenthal