 Married former Miss France Sonia Rolland, with whom he has one child named Kahina, in addition to two others, Jena and Aliosha, from a previous relationship.Lespert made his film debut in 1995, in Laurent Cantet's film "Jeux de plage", opposite his father.His first major role came in 1999, in Jacques Maillot's film "Nos vies heureuses".