Annaleigh’s love interest and a demigod, known for his chivalrous demeanor and supernatural knowledge. He becomes an essential ally in Annaleigh's journey to solve the mysteries surrounding her family.

Annaleigh’s eldest sister and confidante, who often finds herself conflicted between mourning their lost family members and pursuing happiness. She is determined to find a suitor and is critical of their stepmother, Morella.

The youngest Thaumas sister, whose vulnerability makes her susceptible to supernatural influences. Her drawings and visions enrich the story's mysterious elements.

One of the Thaumas triplets, who shares a close bond with her sisters Rosalie and Ligeia. After suffering personal loss, she finds solace and care through Annaleigh’s support.

The Thaumas sisters' stepmother, initially appearing kind but harboring darker motivations. Her character is central to the unfolding mystery surrounding the family's past and present challenges.