Quantum Love () is a 2014 French film written and directed by Lisa Azuelos and starring Sophie Marceau and François Cluzet. Plot Pierre (François Cluzet) has been happily married for fifteen years and a good father. Still in love with his wife, he enjoys his wife and family and is content. One evening, he meets Elsa (Sophie Marceau) at a party and are immediately attracted to each other. Fifteen days later, they happen to meet again and the mutual attraction turns into infatuation. But his love for his wife and Elsa's rule about not dating married men prevents them from taking the next step. Instead, they fantasize about each other, and soon the fantasies mingle with the reality. Cast Sophie Marceau as Elsa François Cluzet as Pierre Lisa Azuelos as Anne Alexandre Astier as Éric Arthur Benzaquen as Julien Jonathan Cohen as Marc Niels Schneider as Hugo Stéphanie Murat as Valérie Olivia Côte as Caro Syrus Shahidi as Un ami de Julien Lily Taieb as Lily Jules Benchetrit as Louis Tatiana Khayat as Lola Stylane Lecaille as Ben Thaïs Alessandrin as Jeanne Production Quantum Love was filmed in Paris, France. References External links 2014 films Pathé films French romantic drama films 2010s French-language films Films set in France Films shot in France Films directed by Lisa Azuelos 2010s French films