The suburbs of eastern Paris are one of the cradles of the film industry. In the years following the invention of the cinematograph, film-making and printing plants were established in Vincennes and Joinville. In the interwar period, the studios of Saint-Maurice and Joinville were running at full speed and attracted stars in a territory renamed by the press "Hollywood-sur-Marne". Behind the projectors, it was in the swarm of workshops adjacent to the trays, the noise of factories and the scents of laboratories that magic was conceived. Who were these "little hands" that, throughout the last century, allowed scenarios to come to life in front of amazed spectators? Exhibition proposed by the students of the Master 1 History-Public UPEC