Marcello Mastroianni as Giovanni Pontano Jeanne Moreau as Lidia Monica Vitti as Valentina Gherardini Bernhard Wicki as Tommaso Garani Maria Pia Luzi as Un'invitata Rosy Mazzacurati as Resy Guido A. Marsan as Fanti Vincenzo Corbella as Mr. Gherardini Ugo Fortunati as Cesarino Gitt Magrini as Signora Gherardini Giorgio Negro (actually Gaetano "Tanino" Negroni, a well known Roman eye surgeon) as Roberto Roberta Speroni as Beatrice[5]