La femme d'à côté (1981)

Two ex-lovers wind up living next door to each other with their respective spouses. Forbidden passions ensue.

Directed by: François Truffaut

Starring: Gérard Depardieu, Fanny Ardant, Henri Garcin, Michèle Baumgartner, Roger Van Hool, Véronique Silver

Links: IMDb, Movie posters, Movie stills