How, When and with Whom

How, When and with Whom is a 1969 Italian romantic drama film directed by Antonio Pietrangeli, who co-wrote the screenplay with Tullio Pinelli, based on the novel Amour, terre inconnue by Martin Maurice. It is the last film by 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.