SEE FIRST TRAILER AND IMAGES AND AIR DATE FOR JULIAN FELLOWES' BELGRAVIA: THE NEXT CHAPTER SEQUEL TO THE COSTUME DRAMA

the love story of Frederick Trenchard (Ben Wainwright), who has grown up as the third Lord Trenchard, and his newlove interest, Clara Dunn (Harriet Slater), who is a newcomer to London society. Unaware that his birth was the product of an affair between his mother Susan and the scoundrel John Bellasis, a troubled childhood has left Frederick deeply insecure, which challenges his courtship of and marriage to Clara. Edward Bluemel plays Dr. Stephen Ellerby, Toby Regbo plays Rev. James Trenchard, Frederick’s estranged brother. Hannah Onslow portrays Emily Dunn, Clara’s older sister who is attracted to the reverend. Sophie Thompson plays Mrs. Dunn, Emily and Clara’s devoted mother. Claude Perron is The Marquise D’Étagnac, a glamorous and highly unconventional French businesswoman, who is introduced to Belgravia by the Duke and Duchess of Rochester. Sophie Winkleman portrays Duchess of Rochester, the queen of Belgravia!