How many movies have Roy Clark and Walter C. Miller collaborated on?

They have worked on 3 movies together! Their first movie together was The Johnny Cash Christmas Special 1976 (1976) while their highest rated movie together was Hanna-Barbera's All-Star Comedy Ice Revue (1978). They have not worked together since Hanna-Barbera's All-Star Comedy Ice Revue (1978). They are most known for their music films together.