Leon: The Professional is a neo-noir action 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 explores the unlikely bond that forms between Mathilda and Leon as they navigate the dangerous world of organized crime. Portman's performance as the young and resilient Mathilda received critical acclaim and showcased her talent even at a young age. Leon: The Professional is a gripping and emotionally charged film that showcases Portman's early acting prowess.