Paul Norris is a British visual effects supervisor, best known for his works in the 2004, Harry Potter and the Prisoner of Azkaban is a British-American fantasy film, directed by Alfonso Cuarón, and distributed by who?
Paul Norris (visual effects):  Best known for his works in "Harry Potter and the Prisoner of Azkaban" (2004), "Harry Potter and the Goblet of Fire" (2005), "" (2015), and "Ex Machina" (2015). Harry Potter and the Prisoner of Azkaban (film):  Pictures.
Warner Bros. Pictures