'Downton Abbey' Cast Members Reunite for ‘The Guernsey Literary and Potato Peel Pie Society’ While fans of Downton Abbey patiently await updates from creator/writer Julian Fellowes on his plans for a theatrical movie of the mega-hit Masterpiece historical drama, a new movie featuring four of its cast members has been filming in England and By Laurel Ann for Movies on 9/11/2017
