How, When and with Whom

Come, quando, perché, internationally released as How, When and with Whom, is a 1969 Italian romance film written and directed by Antonio Pietrangeli. It is the last film of Pietrangeli, who died drowning in the sea of Gaeta, while he was testing some shots for the next day; he was eventually replaced by Valerio Zurlini.

Plot
Paola, wife of a wealthy Turinese industrialist, meets Alberto, a friend of her husband, who emigrated to Argentina and has returned for business reasons. After a few days, Alberto confesses his love to Paola, but she resists. However, during a vacation in Sardinia, having waited in vain for the arrival of her husband, she gives in to Alberto's wishes. They continue their relationship back in Turin, but she chooses not to follow him to Argentina.

Cast

 * Philippe Leroy	as 	Marco
 * Horst Buchholz	as Alberto
 * Danièle Gaubert	as Paola
 * Elsa Albani	as 	Marco's mother
 * Lilli Lembo	as Lucy
 * Colette Descombes
 * Liana Orfei