Lesley Nicol is back as Mrs. Patmore, Sophie McShera reprises her Daisy Mason character.
Hugh Bonneville is back as Robert Crawley and Elizabeth McGovern as Cora Crawley.
Robert James-Collier is back as Thomas Barrow and Michael Fox returns as Andy.
Brendan Coyle is John Bates and Joanne Froggatt is Anna Bates.
Oscar winner Maggie Smith returns as Violet Crawley, the Dowager Countess, and Michelle Dockery is back as Lady Mary.
Laura Carmichael plays Lady Edith and Harry Hadden-Paton is Bertie Pelham
Phyllis Logan returns as Mrs. Hughes, Jim Carter as Mr. Carson.
Kevin Doyle plays Molesley and Raquel Cassidy returns as Baxter.
Matthew Goode returns as Henry Talbot, Mary's husband, and Allen Leech reprises the role of Tom Branson, the late Lady Sybil's husband.