When You Read This Letter (French: Quand tu liras cette lettre) is a 1953 French-Italian drama film directed by Jean-Pierre Melville and starring Philippe Lemaire, Juliette Gréco and Yvonne Sanson. It was shot at the Billancourt Studios in Paris. Location filming also take place on the coast of Southern France where the film is set. The film's sets were designed by the art director Robert Gys. The film was a commercial success and permitted Melville to acquire his own studios to make his future productions.