How many movies have Donald 'Duck' Dunn and Lou Marini acted in together?

They have worked on 4 movies together! Their first movie together was The Blues Brothers (1980) while their highest rated movie together was Saturday Night Live: The Best of Dan Aykroyd (2005). They have not worked together since Saturday Night Live: The Best of Dan Aykroyd (2005). They are most known for their comedy films together.