How many movies have Stephen O'Connell and Tristin Norwell collaborated on?

They have worked on 3 movies together! Their first movie together was Filth: The Mary Whitehouse Story (2008) while their highest rated movie together was Whistle and I'll Come to You (2010). They have not worked together since Whistle and I'll Come to You (2010). They are most known for their tv movie films together.