How many movies have Nigel Williamson and Robert Christgau acted in together?

They have worked on 3 movies together! Their first movie together was Bob Dylan: 1978-1989 - Both Ends of the Rainbow (2008) and was their highest rated movie together. They have not worked together since Bob Dylan: Roads Rapidly Changing - In & Out of the Folk Revival 1961 - 1965 (2015).