Sloan is a broke diner waitress who is deep in credit-card debt and two weeks behind on rent for her shared apartment. Her financial desperation drives her to seek unusual ways to earn quick cash when threatened with eviction. She is resourceful and naturally compassionate, though her trusting instincts frequently put her in dangerous, unpredictable situations as she tries to survive the night.

Carson is the handsome young butler employed at the Wentworth Estate. He greets guests at the massive iron gates and maintains a calm, professional exterior. Despite his formal uniform and duties, he quickly establishes himself as a potential ally to Sloan by warning her about the bizarre dinner party.

Jasper is a roughly fifty-year-old traveler waiting in the cold on the route to Peyton's Peak. He has unkempt hair, a bushy beard, and lacks proper winter clothing. He presents himself as a grieving widower hitchhiking to a friend's cabin, using his visible vulnerability to appeal to passing drivers.

Robert is a massive, eight-foot-tall creature living in a cave on Peyton's Peak. Despite his terrifying exterior of white fur, purple fingers, and yellow fangs, he is highly intelligent and speaks fluent English. He provides a sharp contrast to his monstrous appearance by displaying a dry sense of humor and eating ordinary breakfast cereal.

The Adventurous Eaters Club is a secretive organization of wealthy, older elites who hold dinner parties at the Wentworth Estate. Dressed in formal wear, they pride themselves on consuming highly exotic and unusual dishes. Their polished, civilized exterior masks deeply unsettling appetites and a complete lack of empathy for the subjects of their meals.

Davenport Wentworth is the eccentric, wealthy host of the Wentworth Estate and leader of the Adventurous Eaters Club. He maintains extreme, almost predatory politeness while implementing bizarre rituals, such as demanding to weigh his staff upon arrival. He takes great pride in his sprawling mansion and its collection of strangely misnamed rooms.

Avery is Sloan's oldest friend who reaches out when Sloan is facing immediate eviction. She provides written directions to a remote mansion on Peyton's Peak where GPS signals fail. Her job offer presents a sudden solution to Sloan's financial crisis.

Blair is Sloan's volatile and entitled roommate. She lacks empathy for Sloan's financial crisis and immediately threatens eviction over two weeks of late rent. She is highly protective of her possessions, particularly her silver Audi, and relies on her large boyfriend to enforce her demands.

Griff is Blair's boyfriend, a massive man whose heavy footsteps shake the apartment floorboards. He serves as the physical muscle behind Blair's eviction threats, using his intimidating size to force compliance without needing to negotiate.

Heinrich van Houten is an older, wealthy guest attending the dinner party at the Wentworth Estate. As a member of the Adventurous Eaters Club, he wears formal clothing while exhibiting disturbing social behavior, frequently letting his true, sinister appetites slip into polite conversation.

Jacques is the head chef at the Wentworth Estate. He works in an enormous kitchen equipped with an oven large enough to fit an elephant. He projects a professional demeanor while holding a butcher knife, reflecting the estate's blend of high society and hidden danger.

Lorna is Jasper's deceased wife. Though she does not appear living in the story, her memory drives her husband's actions. He carries her ashes in a duffel bag so she can continue to experience the world posthumously.

Nicole is Robert's wife who vanished in the snow on Peyton's Peak years ago. Her disappearance left only a trail of footprints that abruptly ended, leaving her husband to search the mountain and wait for her return.