Così come sei (1978)

Director: Alberto Lattuada
Studio: San Francisco Film, Producciones Cinematograficas Ales S.A.

Starring: Marcello Mastroianni, Nastassja Kinski, Francisco Rabal, Giuliana Calandra, Ania Pieroni, Monica Randall, Barbara De Rossi, Jose Maria Caffarel, Maria Pia Attanasio, Raimondo Penne, Claudio Aliotti, Massimo Bonetti, Mario Cecchi, Adriana Falco, Rodolfo Bigotti

Description:
—Stuck in a dysfunctional marriage, a middle-aged architect has a chance encounter with an alluring student, and begin seeing each other. He wants to be loved; she needs a meaningful relationship; however, could he be her missing father?
—A May-December romance. Roue Giulio Marengo, a Roman landscape architect unhappy in his marriage, meets Francesca, a young and beautiful Florentine, and then learns she might be his daughter. He resolves to keep his hands off but can’t seem to stay away, and she’s eager for a lover who’s a father figure. He’s happy to be a kid, so he tries to find out who her father is; his wife knows something is up; his daughter, who’s Francesca’s age and is pregnant, encourages the affair. Should he tell Francesca his fears that it might be incest? If he tells her and she doesn’t care, what next? And what of his wife, who still wants to be married? Francesca takes control.

Alternative Title:
La fille
Bleib wie Du bist
Stay as You Are