How many movies have Graham Nash and Stephen Stills acted in together?

They have worked on 6 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 Crosby, Stills & Nash - CSN 2012 (2012). They are most known for their music films together.