French actor and filmmaker, born in 1964, initially pursued a career in medicine before transitioning to comedy and acting. He gained prominence in the 1990s with his unique blend of humor and drama. Known for his intense performances, he has appeared in films like "A Very Long Engagement" and "Irreversible." As a director, he received acclaim for works such as "9-Month Stretch" and "Bye Bye Morons," the latter winning several César Awards. His work often explores dark, satirical themes.