Marcello Mastroianni character Giovanni Pontano
Jeanne Moreau character Lidia
Monica Vitti character Valentina Gherardini
Bernhard Wicki character Tommaso Garani
Rosy Mazzacurati character Rosy
Maria Pia Luzi character Un'invitata
Guido A. Marsan character Fanti
Vincenzo Corbella character Mr. Gherardini
Ugo Fortunati character Cesarino
Gitt Magrini character Signora Gherardini
Giorgio Negro character Roberto
Roberta Speroni character Beatrice
Umberto Eco character Man at the Party (uncredited)
