An international student from Mexico City attending Stoneridge College on scholarship in 1998. She works multiple jobs to fund her studies and values her heritage, heavily influenced by her great-grandmother Alba's stories of the paranormal. Introverted and intelligent, she focuses her thesis on an overlooked female horror author. She begins experiencing unexplainable phenomena as she attempts to access restricted historical archives.

A young woman living in rural Mexico at the turn of the century. Following her father's death, she finds herself caught between her practical, farm-running brother and her urbane uncle from Mexico City. She has a natural affinity for folk traditions and possesses an innate awareness of the supernatural that sets her apart from her more modern-minded mother.

A working-class scholarship student at Stoneridge College in 1934 who eventually becomes the horror author at the center of Minerva's thesis. She works as an assistant in the French department and shares a dorm room with wealthy students. She provides a grounded presence for her friends and meticulously records her experiences with the paranormal following a tragic disappearance.

A vivacious, dark-haired art student from California attending Stoneridge in 1934. Derided as "new money" by her upper-class peers, she draws inspiration for her art from what she believes are spirits. Her firm belief in the supernatural isolates her socially as she begins to experience terrifying phenomena on campus.

A wealthy, imposing donor to Stoneridge College in 1998 and the matriarch of the Yates family. In the 1934 timeline, she is a prominent student from an old New England family who closely guards her social standing. She controls access to Beatrice Tremblay's archival papers and frequently attempts to orchestrate the lives of those around her.

Alba's educated uncle who lives in Mexico City and visits the family farm in 1908. Only four years older than Alba, he views country life as outdated and attempts to convince his sister to sell their rural property. He writes poetry, speaks multiple languages, and shares moments of charged tension with his niece.

Alba's practical older brother who takes over the management of the Piedras Quebradas farm after their father's passing. Deeply tied to the land and local folk traditions, he stubbornly refuses to sell the property to developers or neighbors and frequently clashes with his sophisticated uncle.

The nephew of the neighboring farm's overseer and a close childhood friend of Alba and Tadeo. He is kind, working-class, and deeply respectful of local folk traditions and herbal remedies. He hopes to marry Alba and provides her with emotional support and protective charms when unexplainable events begin occurring on the farm.

Alba and Tadeo's mother, a widow who finds the daily tasks of rural life exhausting. She prefers the modern, urban sensibilities of her brother Arturo over the folk traditions embraced by her late husband and children, frequently dismissing Alba's concerns as the product of an overactive imagination.

Carolyn's grandson and a fellow student at Stoneridge College in 1998. Having lost his parents in a car accident, he lives at his grandmother's estate, though the two frequently clash over his lack of ambition and heavy drinking. Despite his extreme privilege, he assists Minerva in accessing the historical archives she needs for her thesis.

The son of a prominent New England family attending college in 1934. He becomes engaged to Virginia Somerset, though he worries deeply about her mental health when she begins claiming an evil presence is following her on campus.

A Stoneridge College student who abruptly left his dorm room and vanished before the 1998 summer session. He tutored Noah Yates and shared a deep interest in local folklore, leaving behind notebooks filled with research about the campus's history that Minerva eventually discovers.

A fellow English student and resident director at Stoneridge College. He provides a grounding presence for Minerva, though his logical nature makes him highly skeptical of her growing belief that supernatural forces are at work on campus.

A working-class Portuguese immigrant employed at Stoneridge College. He strikes up a friendly acquaintance with Virginia Somerset, which draws the prejudiced ire and gossip of the campus's wealthier students.

A lifelong friend and former roommate of Beatrice Tremblay. As a Jewish student in 1934, he faced significant prejudice from the campus elite. He later works as a journalist and maintains a record of unexplainable disappearances in New England.

A skilled healer and practitioner of brujeria living in the marginalized community of Los Pinos. She provides Alba with herbal remedies, protective charms, and crucial knowledge regarding the supernatural threats surrounding the Quiroga farm.

A woman from Los Pinos who practices folk magic. She attempts to warn the Quiroga family about the dangerous supernatural forces circling their property and provides essential guidance on how to identify magical threats.