The antagonist, William is Alva's wealthy, entitled husband whose unfaithful and dismissive nature creates tension in their marriage, shaping much of Alva's transformation.

Alva’s best friend who serves as a foil to her; Lady C is worldly and confident, experiencing similar marital issues, and she plays a significant role in Alva's life decisions.

Heir to a banking fortune and portrayed as Alva's true love, Oliver is notable for his political sensibilities and meaningful connection with Alva, contrasting with other characters.

A dandy and socialite who helps Alva navigate the complexities of New York high society, playing a supportive but mostly static role in her journey.

Alva’s eldest child and only daughter, Consuelo is a young woman of charm and education who faces similar societal pressures as her mother, navigating her own path through them.