Holden Caulfield - The protagonist and narrator of the novel, Holden is a sixteen-year-old junior who has just been expelled for academic failure from a school called Pencey Prep. Although he is intelligent and sensitive, Holden narrates in a cynical and jaded voice. He finds the hypocrisy and ugliness of the world around him almost unbearable, and through his cynicism he tries to protect himself from the pain and disappointment of the adult world.
Ackley - Holden’s next-door neighbor in his dorm at Pencey Prep. Ackley is a pimply, insecure boy with terrible dental hygiene. He often barges into Holden’s room and acts completely oblivious to Holden’s hints that he should leave.
Stradlater - Holden’s roommate at Pencey Prep. Stradlater is handsome, self-satisfied, and popular, but Holden calls him a “secret slob,” because he appears well groomed, but his toiletries are disgustingly unclean.
Jane Gallagher - A girl with whom Holden spent a lot of time one summer, when their families stayed in neighboring summer houses in Maine. Jane never actually appears in the story, but she is extremely important to Holden, because she is one of the few girls whom he both respects and finds attractive.
Phoebe Caulfield - Phoebe is Holden’s ten-year-old sister, whom he loves dearly. Although she is six years younger than Holden, she listens to what he says and understands him more than most other people do.
Allie Caulfield - Holden’s younger brother. Allie dies of leukemia three years before the start of the novel. Allie was a brilliant, friendly, red-headed boy—according to Holden, he was the smartest of the Caulfields.
D. B. Caulfield - Holden’s older brother. D. B. wrote a volume of short stories that Holden admires very much, but Holden feels that D. B. prostitutes his talents by writing for Hollywood movies.
Sally Hayes - A very attractive girl whom Holden has known and dated for a long time. Though Sally is well read, Holden claims that she is “stupid,” although it is difficult to tell whether this judgment is based in reality or merely in Holden’s ambivalence about being sexually attracted to her.
Mr. Spencer - A teacher at Pency Prep. Holden describes him as "old and gross."
He introduces reader to the way adults view Holden, and the way he views them in return. He lectures Holden about his future.
Mr. Antolini - Another former teacher of Holden's. Antolini hangs with Holden's parents, and cares a lot about him.
Sunny - "Sunny" isn't this "lady of the night's" real name. A man in a hotel elevator pimps her out to Holden.