How many movies have David Crosby and Graham Nash acted in together?

They have worked on 9 movies together! Their first movie together was Crosby, Stills, Nash & Young - Live in Wembley 1974 (1974) while their highest rated movie together was Crosby Stills and Nash CSN (2012). They have not worked together since Fathers and Songs: Music for Father's Day (2013). They are most known for their music films together.