How many movies have Herbie Hancock and Joni Mitchell acted in together?

They have worked on 2 movies together! Their first movie together was Janet Jackson: From Janet. To Damita Jo: The Videos (2004) while their highest rated movie together was Joni Mitchell - The Library of Congress Gershwin Prize For Popular Song (2023). They have not worked together since Joni Mitchell - The Library of Congress Gershwin Prize For Popular Song (2023).