How many movies have Paul Staples and Robert Benjamin collaborated on?

They have worked on 3 movies together! Their first movie together was Perry Mason: The Case of the Scandalous Scoundrel (1987) while their highest rated movie together was Perry Mason: The Case of the Avenging Ace (1988). They have not worked together since Perry Mason: The Case of the Lady in the Lake (1988). They are most known for their tv movie films together.