Guillaume de Tonquédec: Guillaume de Tonquédec. Actor: What's in a Name?. Guillaume de Tonquédec was born on 18 October 1966 in Paris, France. He is an actor, known for What's in a Name? (2012), The Double Life of Véronique (1991) and Ruby & Quentin (2003). He is married to Christele Marchal. They have three children.
Known For: What's in a Name? (Claude), The Double Life of Véronique (Serge(as Guillaume de Tonquedec)), Ruby & Quentin (L'interne hôpital prison(as Guillaume de Tonquedec)), Lie with Me (Stéphane Belcourt)