Mathieu Kassovitz is a French director, screenwriter, producer, editor, and actor. Kassovitz is also the founder of MNP Entreprise, a film production company.
He won three César Awards: Most Promising Actor for See How They Fall (1994), and Best Film and Best Editing for La Haine (1995). He also received Best Director and Best Writing nominations.
He is one of my favourites actors and directors.
Animated gif of the process