Blandine is an 18-year-old former foster child living in apartment C4 of the La Lapinière Affordable Housing Complex. Highly intelligent but alienated from her peers, she drops out of high school to study female Catholic mystics like Hildegard von Bingen. She dedicates her energy to protecting the local nature reserve, Chastity Valley, using unconventional tactics to disrupt a planned real estate development.

Jack is a 19-year-old former foster youth living in the Rabbit Hutch. Intuitive but deeply cynical, he pieces together a living through low-wage jobs like dog-walking in the economically depressed town. Desperate to feel connected to reality, he channels his frustrations and his intense crush on his female roommate into instigating disturbing animal sacrifices.

Malik is an arrogant, charismatic 19-year-old living in apartment C4. He maintains a better relationship with his former foster parents than his peers and dreams of building a social media following to become an actor. He actively competes for his female roommate's attention, primarily as a way to assert dominance over the other young men in the apartment.

Todd is a gentle, 19-year-old former foster child who lives on an eco-friendly diet of raw vegetables. Out of the four roommates, he is the least aggressive and deeply struggles with the toxic environment created by the others. He wishes for a peaceful life but frequently bows to peer pressure, participating in brutal acts against his own nature.

Joan is a forty-year-old, intensely solitary woman living in apartment C2 of the Rabbit Hutch. She works from home screening online obituary comments for offensive content. Meek, devoutly Catholic, and preferring to be invisible, her quiet life fractures when she dutifully deletes a hateful memorial comment.

Moses is a wealthy, fifty-something man from Los Angeles who struggles with an addiction to daubing his body in phosphorescent glowstick fluid. Deeply scarred by his mother's emotional abuse, he runs a niche mental health blog while leading a vindictive life. He travels to Vacca Vale seeking revenge after a moderator deletes his online comment.

James is a 42-year-old, depressed high school music teacher at St. Philomena's Catholic school. Following the failure of his music career, he married into the wealthy Zorn family but feels entirely alienated within his own marriage. He abuses his position of authority to prey on vulnerable, intelligent scholarship students.

Hope is a 24-year-old former waitress living in apartment C8 with her husband and infant son. She suffers from severe postnatal depression, which manifests as an irrational phobia of her baby's eyes and a profound sense of isolation. She finds her only comfort in the domestic nostalgia of vintage television sitcoms.

Elsie is a famous, recently deceased actress who starred as a perfect child on the television show Meet the Neighbors. Despite preaching interconnectedness in her self-published obituary, she lived a deeply narcissistic life, neglecting her child and underpaying her staff while hoarding her wealth.

Maxwell is a 34-year-old real estate developer spearheading the Vacca Vale Revitalization Plan. Living in a high-security renovated factory loft, he aims to transform the depressed post-industrial town into a tech hub by building luxury condominiums, making him a prime target for local environmentalists.

Anthony is a hardworking construction worker who provides a stabilizing, joyful presence for his wife, Hope. He is gracious and patient, trying his best to support his wife through her severe postnatal depression despite not fully understanding her struggles.

Meg is a successful vegan YouTuber, cookbook author, and heiress to the Zorn Automobile fortune. Intelligent and bookish, her marriage to James Yager has grown cold and distant, leaving them both feeling lonely and disconnected in their sprawling mansion.

Reggie is an elderly resident of the Rabbit Hutch who shares apartment C6 with his wife. He is conflict-averse and pragmatic, trying to dissuade his wife from escalating a petty war with their upstairs neighbors over discarded mouse traps.

Ida is an elderly resident of the Rabbit Hutch living in apartment C6. She is highly critical of the younger generation's lack of respect for community and becomes fixated on retaliating against the young mother upstairs who drops dead mice onto her balcony.

Father Tim is a disillusioned Catholic priest in Vacca Vale who feels ignored by God and suspects a rot at the center of the church. He provides a listening ear to Moses Blitz, offering a spiritual and psychological perspective on the man's deeply troubled family history.

Anne is Joan's strict boss at Restinpeace.com. She enforces a rigid policy against mean-spirited comments on memorial pages, insisting that her employees act as guardian angels for grievers rather than allowing cruel truths to be published.

Clare is Elsie Blitz's fiercely loyal but severely underpaid assistant. She works tirelessly to manage the star's life and death arrangements, even while struggling to afford basic necessities like car repairs and rent.

Penny is an eccentric older hoarder living near Joan. She collects junk in the hopes it will appreciate in value and possesses a superstitious nature, warning Joan about a suspicious man lingering near the building.

Sapphire is a former foster child who once lived with Malik. Knowing his desperate need for attention, she acts decisively to report his disturbing online behavior to the authorities.

Jamie is Moses Blitz's intelligent ex-girlfriend. Having left him for another man, she attempts to offer polite condolences but is met with his vindictive, belittling behavior and threats.

Zoe is a former student at St. Philomena's who contacts Blandine after learning she dropped out. She reveals that she, too, was seduced and abandoned by their music teacher, exposing a predatory pattern.

Aunt Tammy is Joan's colorful, crimson-haired aunt who adopts disabled pets. She frequently sends Joan effusive cards and gifts, though Joan struggles with the social obligation of writing thank-you notes.

Elijah is the infant son of Hope and Anthony, conceived during a flood evacuation at the Wooden Lady Motel. His perfectly round eyes trigger intense, irrational anxiety in his severely depressed mother.

Hildegard, named Hildegard von Vacca Vale by Blandine, is an injured goat living in the local nature preserve. After being rescued by Blandine, the goat unwittingly becomes the centerpiece of a chaotic and terrifying sequence of events in apartment C4.