How many movies have Jana Vance and Rena Owen collaborated on?

They have worked on 3 movies together! Their first movie together was A.I. Artificial Intelligence (2001) while their highest rated movie together was Star Wars: Episode III - Revenge of the Sith (2005). They have not worked together since Star Wars: Episode III - Revenge of the Sith (2005). They are most known for their science fiction films together.