How many movies have Brendon 'Moose' Boyd and David Vallon collaborated on?

They have worked on 2 movies together! Their first movie together was Scooby-Doo (2002) while their highest rated movie together was The Chronicles of Narnia: The Voyage of the Dawn Treader (2010). They have not worked together since The Chronicles of Narnia: The Voyage of the Dawn Treader (2010).