How many movies have Diane Keaton and James Caan acted in together?

They have worked on 5 movies together! Their first movie together was The Godfather (1972) while their highest rated movie together was The Godfather 1901–1959: The Complete Epic (1981). They have not worked together since The Godfather Epic: 1901-1959 (1981). They are most known for their crime films together.