Watch: Chloë Grace Moretz Marries Kate Harrison in Private Wedding CeremonyDownton Abbey has a real-life love story. Indeed, costars Laura Carmichael and Michael C. Fox-who play Lady Edith and Andrew Parker, respectively-have shared they've since gotten married. In honor of the celebration of the series that is set to end with the film Downton Abbey: The Grand Finale, Michael looked back fondly on the special things he gained since starring in the series. "I owe a lot to this show," Michael, 36, said on the Downton Abbey Celebrates The Grand Finale special airing on NBC Sept. 10.