How many movies have Melanie Walters and Steffan Rhodri acted in together?

They have worked on 3 movies together! Their first movie together was Submarine (2011) while their highest rated movie together was Gavin & Stacey: The Finale (2024). They have not worked together since Gavin & Stacey: The Finale (2024). They are most known for their comedy films together.