How many movies have James Costigan and Warren Clymer collaborated on?

They have worked on 4 movies together! Their first movie together was On Borrowed Time (1957) while their highest rated movie together was F. Scott Fitzgerald and the Last of the Belles (1974). They have not worked together since F. Scott Fitzgerald and the Last of the Belles (1974). They are most known for their tv movie films together.