How many movies have Benmont Tench and Mike Campbell acted in together?

They have worked on 12 movies together! Their first movie together was Tom Petty & The Heartbreakers: Rock Goes to College (1980) while their highest rated movie together was Tom Petty and the Heartbreakers: Pack Up the Plantation - Live! (1986). They have not worked together since It's Only Rock 'n' Roll: Rock 'n' Roll at the BBC (2015). They are most known for their music films together.