Alfonso Cuarón Orozco (Spanish pronunciation: [alˈfonso kwaˈɾon]; born November 28, 1961) is a Mexican film director, screenwriter, producer and editor best known for his dramas A Little Princess (1995) andY Tu Mamá También (2001), the fantasy film Harry Potter and the Prisoner of Azkaban (2004), and science fiction thrillers Children of Men (2006) and Gravity (2013).