How many movies have Karl Herrmann and Owen Walstrom collaborated on?

They have worked on 5 movies together! Their first movie together was Life or Something Like It (2002) while their highest rated movie together was Scooby-Doo! The Mystery Begins (2009). They have not worked together since Smokin' Aces 2: Assassins' Ball (2010). They are most known for their comedy films together.