Edward is a 17-year-old vampire who was turned by his adopted father in 1918. He possesses the supernatural ability to read the minds of almost everyone around him. Like the rest of his coven, he strictly abstains from human blood, relying instead on an animal diet to maintain a hidden, civilized life. He struggles deeply with self-loathing, viewing himself as a monster, but finds his discipline severely tested when he encounters a new student whose mind he cannot read and whose scent he finds overwhelmingly irresistible.

Bella is a 17-year-old human who recently relocated from sunny Arizona to the dreary town of Forks, Washington, to live with her father. She is notably selfless, frequently putting the needs of her eccentric parents above her own comfort. Mature for her age, she is highly observant and quickly pieces together the truth about her unusual classmate, showing remarkable courage rather than fear.

Charlie is Bella's father and the chief of the Forks Police Department. Deeply attached to his daughter, he constantly worries about her safety and happiness in their quiet, rainy town. His thoughts are uniquely muted and indistinct to telepaths, generating a vague impression of his feelings rather than clear dialogue.

Alice is a vampire with the supernatural ability to see potential futures based on the decisions people make. She uses this rare gift to help protect her family's strict secrets and anticipate upcoming dangers. Unusually cheerful for a vampire, she enthusiastically anticipates a strong future connection with the newest human student in town.

Rosalie is a strikingly beautiful, stubbornly guarded vampire who deeply resents losing her human life and the chance to start a traditional family. She is fiercely protective of her coven's secrecy and views any interaction with humans as a dangerous, selfish risk that could expose them all.

Carlisle is the patriarch of the Cullen coven, a compassionate vampire born in 17th-century London. Unable to bear the thought of taking human life, he spent centuries developing an alternative animal-blood diet and perfecting his medical skills to heal rather than harm. He serves as the moral anchor for his unusual family.

James is a nomadic vampire with a supernatural talent for tracking. He treats hunting as an intricate, thrilling game, entirely lacking the moral restraints practiced by the local coven. He becomes obsessively determined to catch his latest human target purely for the escalating challenge she presents to his skills.

Mike is a friendly, popular human student at Forks High School who immediately takes a romantic interest in the new arrival from Arizona. His very normal, mundane desires and resentments create a sharp contrast to the supernatural elements silently operating around his classmates.

Jasper is a vampire with the ability to manipulate the emotions of those around him. As the newest member of the vegetarian lifestyle, he struggles the most with the intense temptation of human blood, requiring constant vigilance and emotional support to maintain his discipline in public.

Emmett is a large, physically imposing vampire with a boisterous and easygoing personality. Despite the intense drama regularly surrounding his family, he often finds amusement in their unique challenges and embraces physical confrontation with eager enthusiasm.

Esme is the matriarch of the Cullen family, characterized by her deep maternal warmth and fierce love for her adopted children. She eagerly welcomes new additions to their tight-knit circle and continuously strives to make everyone feel safe and loved within their home.

Jessica is a talkative, gossip-prone human student at Forks High School. While she happily acts as a guide to the local social dynamics for new arrivals, her private thoughts reveal a constant need for attention and a sharp jealousy toward anyone who unexpectedly steals the spotlight.

Angela is a quiet, genuinely kind human student at Forks High School. Her thoughts are refreshingly simple and entirely free of the petty jealousies that plague her peers, making her a rare comforting presence for those who value sincerity.

Jacob is a member of the Quileute tribe and a childhood acquaintance of the local police chief's daughter. Friendly and outgoing, he remains largely ignorant of the true supernatural realities surrounding his community, though he serves as an unwitting conduit for ancient tribal legends.

Billy is a respected elder of the Quileute tribe and a close friend to the local police chief. Intimately aware of the ancient treaty between his people and the vegetarian vampires, he remains highly suspicious of the coven's presence and continuously attempts to subtly warn his friends away from them.

Laurent is the polished, polite spokesperson for a small group of traveling vampires. While he initially appears civilized and is highly intrigued by the local coven's permanent, civilized lifestyle, his loyalty to his own violent group quickly fractures when conflict inevitably arises.

Victoria is a wild, redheaded nomadic vampire who travels with a small, deadly group of hunters. She closely defers to her tracker companion's obsessive games, representing a swift and unpredictable threat to any nearby human targets.

Renée is an eccentric, flighty woman who recently remarried and moved away from the Pacific Northwest. Her thoughts are remarkably loud and chaotic, reflecting her restless, impulsive nature, which consistently forces those around her to step into a caretaking role to ensure her stability.

Ben is a quiet human student at Forks High School. He is the oblivious object of a classmate's affection and is gently nudged toward romance by an unexpected, telepathic wingman hoping to repay a favor.

Tanya is a member of the Denali coven, a northern group of vampires who share the strict vegetarian lifestyle. She harbors unrequited romantic feelings for her visitor but possesses enough grace to encourage him to return home to face his escalating problems.

Tyler is a human student whose reckless winter driving nearly causes a fatal accident, inadvertently triggering a massive supernatural revelation. Consumed by guilt over the incident, he attempts to make amends through persistent, entirely unwanted romantic overtures.