Production for Season 3 of HBO's 'The Gilded Age' is underway, with new footage and cast announcements generating excitement among fans. The series will introduce new characters, including Bill Camp as JP Morgan, who clashes with George Russell over railroad industry futures, and Merritt Wever as Monica O’Brien, Bertha's estranged sister. Other notable additions include Leslie Uggams, LisaGay Hamilton, and Andrea Martin, expanding the show's diverse ensemble. Season 2 concluded with significant societal shifts in New York, setting the stage for further drama as characters adjust to new dynamics. The show, created by Julian Fellowes, continues to explore the complex lives of the elite during a transformative era. With multiple Emmy nominations, the producers are keen to leverage the show's current momentum.