How many movies have Brentan Harron and Dean McQuillen collaborated on?

They have worked on 4 movies together! Their first movie together was Hollow Man II (2006) while their highest rated movie together was Scooby-Doo! The Mystery Begins (2009). They have not worked together since Scooby-Doo! The Mystery Begins (2009). They are most known for their thriller films together.