A confident, intelligent young American woman brought to Europe by her aunt. She values her personal independence above all else and possesses a highly active imagination. Eager to experience the world rather than settle down, she resists traditional expectations of marriage in favor of self-determination.

The adult son of the Touchett family who suffers from tuberculosis. His illness limits his physical capabilities, leading him to adopt a spectator's view of life. He possesses a sharp judgment of character and serves as an observant guide to his newly arrived cousin.

Isabel's eccentric, fiercely independent aunt who lives primarily in Florence, effectively separated from her husband. She takes a political and practical view of marriage and social obligations. Impressed by Isabel during a visit to America, she offers to show her niece the world.

A wealthy English aristocrat with progressive, liberal political views that contrast with his immense privilege. He represents the European ideal of masculinity and quickly becomes enamored with Isabel. He owns the neighboring estate, Lockleigh.

A determined American industrialist who manages a successful cotton mill and holds a patent for a spinning mechanism. He represents a direct, conventionally masculine American type with little regard for European social niceties. He follows Isabel across the Atlantic, refusing to accept her initial rejection.

An elderly, wealthy American who has lived and banked in England for thirty years without losing his American sensibilities. He suffers from gout and enjoys the comfort of his estate, Gardencourt. He quickly grows fond of his niece Isabel and shares a deep, respectful bond with his son Ralph.

A brash, confident American journalist who writes for an American publication called the Interviewer. She serves as an early model of independence for Isabel. She distrusts European society and frequently offers unsolicited advice, prioritizing practical reality over romantic illusions.

A sophisticated, worldly widow who lives primarily in Florence and visits Mrs. Touchett frequently. She appears perfectly polished, possessing impeccable manners and social grace. She takes an immediate interest in Isabel, offering her guidance and introducing her to expatriate society in Italy.

An American expatriate living an isolated, fastidiously curated life in Italy. He is an amateur artist and collector of fine objects who values aesthetic perfection. Lacking formal social position or wealth, he relies on his refined tastes to assert his superiority over others.

Gilbert Osmond's sister, a high-society woman trapped in a bad marriage to an Italian count. Her public affairs and abrasive personality limit her social standing. Unlike her brother, she is naturally expressive and frankly honest, frequently offering cynical but truthful observations about those around her.

Gilbert Osmond's fifteen-year-old daughter, newly returned from a convent education. She acts as a model of passive, submissive femininity, entirely devoted to obeying her father's wishes. She presents a pure, blank surface to the world, lacking the independent drive that characterizes Isabel.

An American raised in Europe who appreciates fine art, old china, and good hotels. Like Gilbert Osmond, he approaches life as a connoisseur of beautiful objects, but he maintains a kinder disposition. He develops a sincere affection for Pansy Osmond and determines to marry her despite his limited fortune.

An amiable English friend of Ralph Touchett. He quickly takes an interest in the outspoken Henrietta Stackpole, offering to escort her around London and Europe, amused and charmed by her unconventional American directness.

Isabel's older sister who is married to Edmund. She hopes their aunt will provide Isabel with the advantages of European travel and a broader education, recognizing her sister's potential and desire to see the world.