How many movies have Abbi Collins and Richard Griffiths collaborated on?

They have worked on 3 movies together! Their first movie together was Blame It on the Bellboy (1992) while their highest rated movie together was Harry Potter and the Philosopher's Stone (2001). They have not worked together since Harry Potter and the Deathly Hallows: Part 1 (2010). They are most known for their fantasy films together.