Marcello Mastroianni

as Guido Anselmi

Claudia Cardinale

as Claudia

Anouk Aimée

as Luisa Anselmi

Sandra Milo

as Carla

Rossella Falk

as Rossella

Barbara Steele

as Gloria Morin

Madeleine Lebeau

as Madeleine, the French Actress

Caterina Boratto

as Mysterious Lady