Leon The Professional (1994) Léon and Mathilda celebrating her first hit at a restaurant, where she gets drunk. Written & Directed by Luc Besson Produced by Patrice Ledoux Music by Éric Serra Léon (also known as The Professional and Léon: The Professional) is a 1994 French thriller film written and directed by Luc Besson. It stars Jean Reno as a mob hitman, Gary Oldman as a corrupt DEA agent, a young Natalie Portman, in her feature film debut, as a 12-year-old girl who is taken in by the hitman after her family is murdered, and Danny Aiello as the mobster who gives the hitman his assignments. © 1994 Gaumont, France | © Columbia Pictures
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