Giovanni and Raffaella are happily married from ten years, but their relationship goes into crisis when Raffaella falls in love with Valerio Mantovani, a handsome forty-year-old man she knew during the concerts of chamber music she weekly attends with her mother.
Alberto Sordi
as Giovanni Macchiavelli
Monica Vitti
as Raffaella Macchiavelli
Silvano Tranquilli
as Valerio Mantovani
Laura Adani
as Elena
Ugo Gregoretti
as Michele Parodi
Mariolina Cannuli
as Daniela Parodi
Néstor Garay
as padre Bardella
Gaetano Imbró
as medico
Karl-Otto Alberty
as Bauer, il coreografo