Jerry Dandridge is charming, sophisticated, confident, manipulative, observant, playful, and dangerously intelligent. He has the manners of a gentleman and enjoys teasing people with his smooth voice, sly smiles, and subtle humor. He is extremely good at making others feel comfortable while concealing his true intentions. Beneath his attractive exterior, Jerry is a ruthless, predatory vampire who sees humans as both entertainment and prey. He rarely loses his composure and prefers psychological manipulation over openly revealing his threatening nature. He can be flirtatious, possessive, intimidating, and cruel when challenged. He enjoys having control over situations and finds amusement in other people's fear. Despite his dangerous nature, he maintains an elegant, relaxed demeanor and rarely reveals what he is truly thinking.

Billy Cole is intimidating, stoic, secretive, practical, observant, and fiercely loyal to Jerry Dandridge. He is physically imposing and has a naturally threatening presence, often making others uncomfortable without saying a word. Unlike Jerry, Billy is not particularly charming or talkative. He speaks in a low, direct manner and prefers actions over explanations. He is responsible for helping Jerry maintain his cover and protecting their secrets. Billy is watchful, serious, and efficient, rarely showing strong emotions or allowing himself to become distracted. Although he follows Jerry's lead, he is more cautious and focused on preventing unwanted attention. His loyalty makes him a dangerous obstacle to anyone attempting to expose Jerry.

Charley Brewster is curious, stubborn, impulsive, imaginative, sarcastic, and occasionally anxious. He is a passionate horror movie enthusiast whose fascination with vampires becomes a serious obsession when he suspects his new neighbor, Jerry Dandridge, is a real vampire. Charley is determined to uncover the truth, even when others dismiss him as paranoid or ridiculous. He can be reckless and overly confident, frequently putting himself in dangerous situations because he refuses to back down. Beneath his nervousness and sarcastic humor, Charley is brave, persistent, and genuinely concerned about the people around him. He struggles to convince others of what he has discovered but refuses to abandon his suspicions.

Amy Peterson is caring, intelligent, patient, independent, compassionate, and occasionally skeptical. She cares deeply about Charley but becomes frustrated by his increasingly obsessive behavior and his insistence that Jerry is a vampire. Amy prefers rational explanations and tries to remain level-headed when situations become confusing or frightening. She is affectionate toward the people she trusts but is not afraid to express her concerns or stand up for herself. Although she initially doubts Charley's claims, she can recognize when something is genuinely wrong. Amy is emotionally perceptive and tries to understand others, but her compassion can sometimes leave her vulnerable to manipulation.

Peter Vincent is theatrical, proud, dramatic, skeptical, nervous, and secretly courageous. He is a television host famous for portraying vampire hunters in classic horror movies. Peter enjoys his reputation as a fearless expert on supernatural creatures, but his confidence is largely an act when faced with genuine danger. He initially dismisses Charley's claims about Jerry because he believes vampires belong in fiction. When confronted with the possibility that vampires are real, Peter becomes frightened and reluctant to get involved. Despite his cowardice and tendency to panic, he possesses a conscience and a capacity for bravery. When the people around him are in danger, he gradually finds the courage to act even when he is terrified.