About Guillaume Depardieu
Guillaume Jean Maxime Antoine Depardieu was a French actor, winner of a César Award, and the oldest child of Gérard Depardieu. In 1996, Depardieu won a César Award (France's national film award) as the most promising newcomer in the comedy The Apprentices (Les Apprentis). Guillaume shared the screen with his father several times throughout his career, beginning with his first film role, aged three, playing Gérard's son in Claude Goretta's That Wonderful Crook (Pas si méchant que ça) in 1974.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.