How many movies have Christina Lange and Don Messick acted in together?

They have worked on 2 movies together! Their first movie together was Scooby-Doo: Agence toutou risques, vol. 1 : Le voleur de vélo (2007) and was their highest rated movie together. They have not worked together since Scooby-Doo: Agence toutou risques, vol. 2 : Le fantôme de la télé (2007).