How many movies have Michael Gambon and Ralph Fiennes acted in together?

They have worked on 6 movies together! Their first movie together was Harry Potter and the Goblet of Fire (2005) while their highest rated movie together was Harry Potter and the Deathly Hallows: Part 2 (2011). They have not worked together since Hail, Caesar! (2016). They are most known for their fantasy films together.