Julian Fellowes Director, Screenwriter, Producer Maggie Smith Mrs. Oldknow Actor Timothy Spall Boggis Actor Alex Etel Tolly Actor Eliza Bennett Susan Actor Christopher Villiers Officer Actor Pauline Collins Mrs. Tweedle Actor Rachel Bell Perkins Actor Dominic West Caxton Actor Paul Kingsley Producer Liz Trubridge Producer Tim Smith Executive Producer James Spring Executive Producer Barnaby Thompson Executive Producer Ilan Eshkeri Original Music