Leon: The Professional is a crime thriller film directed by Luc Besson. Natalie Portman stars as Mathilda, a young girl who seeks the help of a professional hitman named Leon, played by Jean Reno, after her family is murdered by a corrupt DEA agent. The film follows their unlikely bond and the moral dilemmas they face. Portman's performance as Mathilda, a complex and resilient character, showcases her talent at a young age. Leon: The Professional is a gripping and emotionally charged film that explores themes of redemption and the blurred lines between good and evil.