How many movies have John Stephenson and Julie McWhirter acted in together?

They have worked on 2 movies together! Their first movie together was The Jetsons Meet the Flintstones (1987) while their highest rated movie together was Scooby-Doo's Spookiest Tales (2003). They have not worked together since Scooby-Doo's Spookiest Tales (2003).