How many movies have Fred Silverman and Reuben Cannon collaborated on?

They have worked on 22 movies together! Their first movie together was Farrell: For the People (1982) 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 Telltale Talk Show Host (1993). They are most known for their crime films together.