How many movies have Ewan McGregor and John Williams collaborated on?

They have worked on 5 movies together! Their first movie together was Star Wars: Episode I - The Phantom Menace (1999) while their highest rated movie together was Star Wars: Episode III - Revenge of the Sith (2005). They have not worked together since Star Wars: The Rise of Skywalker (2019). They are most known for their action films together.