How many movies have Helen McCrory and Isabella Laughland acted in together?

They have worked on 4 movies together! Their first movie together was Harry Potter and the Half-Blood Prince (2009) while their highest rated movie together was Harry Potter and the Deathly Hallows: Part 2 (2011). They have not worked together since National Theatre Live: The Last of the Haussmans (2012). They are most known for their adventure films together.