How many movies have Barry Steinberg and Paul Mason collaborated on?

They have worked on 7 movies together! Their first movie together was Diagnosis Murder: A Twist of the Knife (1993) while their highest rated movie together was Perry Mason: The Case of the Killer Kiss (1993). 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.