How many movies have Shelley Duvall and Sheryl Ptak collaborated on?

They have worked on 8 movies together! Their first movie together was Jack and the Beanstalk (1983) while their highest rated movie together was The Boy Who Left Home to Find Out About the Shivers (1984). They have not worked together since The Little Mermaid (1987). They are most known for their tv movie films together.