How many movies have Frank Welker and Thea White acted in together?

They have worked on 3 movies together! Their first movie together was The 1st 13th Annual Fancy Anvil Awards Show Program Special: Live in Stereo (2002) and was their highest rated movie together. They have not worked together since Straight Outta Nowhere: Scooby-Doo! Meets Courage the Cowardly Dog (2021). They are most known for their family films together.