How many movies have Fran Walsh and Matt Holmes collaborated on?

They have worked on 3 movies together! Their first movie together was The Frighteners (1996) while their highest rated movie together was The Hobbit: The Desolation of Smaug (2013). They have not worked together since The Hobbit: The Desolation of Smaug (2013). They are most known for their action films together.