The Gilded Age cast, a sprawling ensemble mirroring the societal complexities of 1880s New York, features a diverse range of characters from old-money families like the Van Rhijns and the Russells, representing tradition and ambition respectively, to newly arrived individuals like Marian Brook, navigating the unfamiliar landscape. Beyond the elite, the cast also delves into the lives of the staff who keep these opulent households running, offering a glimpse into the stark class divisions and the struggles for upward mobility. Through interconnected storylines, the cast explores themes of wealth, power, social change, and the clash between old and new, bringing to life the vibrant and tumultuous era of the Gilded Age.