How many movies have June Carter Cash and W.S. Holland acted in together?

They have worked on 4 movies together! Their first movie together was Johhny Cash - Live in Las Vegas 1979 (1979) while their highest rated movie together was Johnny Cash: Man in Black - Live in Denmark 1971 (2006). They have not worked together since Johnny Cash: Man in Black - Live in Denmark 1971 (2006). They are most known for their music films together.