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Isobel finds herself at odds with Violet. Mary is introduced to a potential suitor but wants to be with Matthew. Anna works out who stole a valuable snuff box. O'Brien plans a way for Edith to get even with Mary.
Maggie Smith
Violet Crawley
Laura Carmichael
Edith Crawley
Joanne Froggatt
Anna Smith
Phyllis Logan
Mrs. Hughes
Elizabeth McGovern
Cora Crawley
Jim Carter
Charles Carson
Brendan Coyle
John Bates
Penelope Wilton
Isobel Merton
Raquel Cassidy
Phyllis Baxter
Lesley Nicol
Beryl Patmore
Sophie McShera
Daisy Mason
Robert James-Collier
Thomas Barrow
Allen Leech
Tom Branson
Amaëlle Cunningham
Guest Judge