Leon: The Professional is an action thriller film directed by Luc Besson. Natalie Portman plays Mathilda, a young girl who seeks the help of a professional hitman, Leon, played by Jean Reno, after her family is murdered. The film delves into the complex relationship between Mathilda and Leon, exploring themes of redemption, mentorship, and the consequences of violence. With its intense action sequences and emotional depth, Leon: The Professional is a gripping and unforgettable film.