Maggie's father and the author of a bestselling book about their time at Baneberry Hall, Ewan is characterized by the tension between his affectionate nature and the secrets he keeps.

Maggie's mother, who serves as a skeptic in her husband's narrative, is viewed by Maggie as an unengaged parent and struggles with the past involving the infamous book.

The charming caretaker and grandson of a previous resident of Baneberry Hall, who harbors a personal history that he conceals from Maggie.

The sheriff called by Maggie during her return to Baneberry Hall, who was also involved in the original investigation and aims to resolve unfinished matters.

The journalist whose article about the Holt family's experiences significantly contributed to the widespread attention and subsequent book deal.

A resident of Bartleby who is later revealed to have a deeper involvement in the events at Baneberry Hall than initially apparent.

The former housekeeper at Baneberry Hall, noted for her faith and superstitious beliefs, who holds symbolic and narrative significance.

The teenage daughter of Elsa Ditmer, whose history and presence in the story are largely posthumous and central to the mystery.

Petra's younger sister, who as an adult, remains deeply affected by past events and demonstrates a protective attitude toward their legacy.