An enigmatic and wealthy countess who founds the Secret Book Society as a sanctuary for women, using her empathy and resources to support and empower them.

An American woman married into the English aristocracy, who struggles with cultural expectations and seeks to find her authentic self within her new society.

An artistic woman whose intense emotions are misunderstood as madness, seeking creative expression and acceptance amidst societal restrictions.

The cruel, controlling husband of Eleanor, who embodies patriarchal oppression and societal power abuse.

An initially controlling husband to Rose, who undergoes a character development leading to a supportive partnership based on mutual respect.

The dying aristocrat and brother-in-law to Rose, who represents outdated societal values and tries to control those around him.

A kind and intelligent man who supports Lavinia’s artistic nature and aspires to advocate for women's rights within the legal system.

A former friend of Lady Duxbury who embodies destructive female rivalry, driven by jealousy and personal dissatisfaction.