Robert Crawley, Earl of Grantham
Lady Sybil Branson (credit only)
Lady Edith Crawley
Charles Carson
John Bates
Lady Mary Crawley
Joseph Molesley
Sarah O'Brien
Anna Bates
Thomas Barrow (as Rob James-Collier)
Tom Branson (credit only)
Mrs. Hughes
Cora Crawley, Countess of Grantham
Daisy Mason
Alfred Nugent
Mrs. Patmore
Ethel Parks
Violet Crawley, Dowager Countess of Grantham
Matthew Crawley
Isobel Crawley
Martha Levinson
Sir Anthony Strallan
Durrant
Lady Manville
Craig
Dr. Clarkson
Reed
Wedding Guest (uncredited)