Guillaume Canet is a French actor, film director and screenwriter and show jumper. Canet began his career in theatre and television before moving to film. He starred in several films like Joyeux Noël, Love Me If You Dare and The Beach. In 2006, he turned to writing and directing with Tell No One and won a César Award for Best Director.
Guillaume V will be probably be the French reigning name of the actual Prince William of Wales, (William Arthur Philip Louis Mountbatten-Windsor) when he becomes King of Canada.