How many movies have Joe Williams and Madeline Kahn acted in together?

They have worked on 2 movies together! Their first movie together was Irving Berlin's 100th Birthday Celebration (1988) while their highest rated movie together was Sesame Street | Put Down the Duckie: An All-Star Musical Special (1988). They have not worked together since Sesame Street | Put Down the Duckie: An All-Star Musical Special (1988).