How many movies have Calvin Clements Jr. and Gary Lockwood collaborated on?

They have worked on 1 movie together! Their first movie together was The F.B.I. Story: The FBI Versus Alvin Karpis, Public Enemy Number One (1974) and was their highest rated movie together. They have not worked together since The F.B.I. Story: The FBI Versus Alvin Karpis, Public Enemy Number One (1974).