How many movies have Patrick Simmons and Tom Johnston acted in together?

They have worked on 3 movies together! Their first movie together was The People's Command Performance: '77 (1977) while their highest rated movie together was The Doobie Brothers: Live from the Beacon Theatre (2019). They have not worked together since The Doobie Brothers: Live from the Beacon Theatre (2019). They are most known for their music films together.