How many movies have Bob Dylan and Joni Mitchell acted in together?

They have worked on 3 movies together! Their first movie together was Renaldo and Clara (1978) while their highest rated movie together was The Best of The Johnny Cash TV Show 1969-1971 (2007). They have not worked together since The Best of The Johnny Cash TV Show 1969-1971 (2007). They are most known for their music films together.