How many movies have Brenda Blatt and William R. Moses collaborated on?

They have worked on 9 movies together! Their first movie together was Perry Mason: The Case of the Reckless Romeo (1992) while their highest rated movie together was Perry Mason: The Case of the Heartbroken Bride (1992). They have not worked together since Perry Mason: The Case of the Jealous Jokester (1995). They are most known for their tv movie films together.