EXCLUSIVE: HBO’s #TheGildedAge continues to build its Season 4 cast with four new additions and one promotion. The official Season 4 logline has also been revealed: Bertha Russell (Coon) changed Society at a cost. Now, her family must reckon with the consequences as Agnes van Rhijn (Christine Baranski) seizes an opportunity to regain her position. Meanwhile, Marian (Louisa Jacobson) forges a new path for herself and Peggy (Denée Benton) works to be accepted by her future in-laws. In this new era, you must be careful what you wish for. All the details we know online at the link in bio.