Downton Abbey star Harry Hadden-Paton is opening up about what it was like to work with the late Maggie Smith. "She was such a big part of the show," Hadden-Paton, 44, exclusively told Us Weekly on Tuesday, September 8, ahead of the premiere of his new movie, Downton Abbey: The Grand Finale. "As soon as we sat around the table, people were like, 'Should we text Maggie? Should we send her a picture? She's just everywhere," he continued. "And physically, there was a portrait of her watching us, making us behave. She was scary as hell, but had the heart of an actress.