How many movies have Helen Casey and Martyn Edwards collaborated on?

They have worked on 2 movies together! Their first movie together was National Theatre Live: Rosencrantz & Guildenstern Are Dead (2017) while their highest rated movie together was National Theatre Live: Edward Albee's Who's Afraid of Virginia Woolf? (2017). They have not worked together since National Theatre Live: Edward Albee's Who's Afraid of Virginia Woolf? (2017).