How many movies have Christian I. Nyby II and Eugene Butler collaborated on?

They have worked on 3 movies together! Their first movie together was U.S. Marshals: Waco & Rhinehart (1987) while their highest rated movie together was Perry Mason: The Case of the Scandalous Scoundrel (1987). 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.