Léon: The Professional is a 1994 English-language French action-thriller film written and directed by Luc Besson. It stars Jean Reno and Gary Oldman, and features the film debut of Natalie Portman. The plot follows Léon, a professional hitman, who reluctantly takes in twelve-year-old Mathilda after her family is murdered by corrupt Drug Enforcement Administration agent Norman Stansfield. Léon and Mathilda form an unusual relationship, as she becomes his protégée
and learns the hitman’s trade.
Léon: The Professional is to some extent an expansion of an idea in Besson’s earlier 1990 film, La Femme Nikita (in some countries Nikita). In La Femme Nikita, Jean Reno plays a similar character named Victor.