How many movies have Greg S. Campbell and Shannon R. Anderson III acted in together?

They have worked on 3 movies together! Their first movie together was Attack of the Flesh Devouring Space Worms from Space (1998) while their highest rated movie together was Cosmic Space Ninja 2: Escape from Chernobourg (1999). They have not worked together since The Tony Blair Witch Project (2000). They are most known for their comedy films together.