How many movies have Heather North and Marla Frumkin acted in together?

They have worked on 2 movies together! Their first movie together was Scooby-Doo! Winter WonderDog (2002) 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).