How many movies have Reuben Cannon and Tracy Smith collaborated on?

They have worked on 3 movies together! Their first movie together was Perry Mason: The Case of the Poisoned Pen (1990) while their highest rated movie together was Perry Mason: The Case of the Skin-Deep Scandal (1993). 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.