How many movies have Greg Powell and Harry Melling collaborated on?

They have worked on 5 movies together! Their first movie together was Harry Potter and the Philosopher's Stone (2001) while their highest rated movie together was Harry Potter and the Prisoner of Azkaban (2004). They have not worked together since Harry Potter and the Deathly Hallows: Part 1 (2010). They are most known for their fantasy films together.