A wealthy and beautiful young heiress living in Cumberland, she forms a connection with Walter Hartright and is central to the unfolding events through her relationships and inheritance.

A mysterious figure introduced as "the woman in white," her resemblance to Laura Fairlie and her own past become pivotal to the story’s developments.

Laura’s assertive and intelligent half-sister known for her thorough and perceptive diary entries, she provides a rational perspective on the events that transpire.

A deceptive and self-serving man who marries Laura Fairlie, his actions are driven by hidden motives that shape much of the novel's conflict.

A charismatic and manipulative Italian who, through his charm and cunning, significantly influences events and reflects key themes of power and control.

Laura's aunt who is deeply influenced by her husband, Count Fosco, resulting in a notable change from her once outspoken nature.