10:30 P.M. Summer is a 1966 American independent drama film directed by Jules Dassin and starring Melina Mercouri, Romy Schneider, and Peter Finch. It is based on the 1960 novel 10:30 on a Summer Night by French author Marguerite Duras, who co-wrote the screenplay adaptation with Dassin.

Plot

Maria and Paul, a couple in their forties, and their young daughter travel through Spain with Claire, a younger woman.