10 Horror Films Where Characters Change in Terrifying Ways

Description: This classic horror film features a young girl, Regan, whose personality drastically changes as she becomes possessed by a demon. The film explores the battle between good and evil through the lens of a mother's desperate attempt to save her daughter.

Fact: The film was nominated for 10 Academy Awards, winning two. It was also the first horror film ever to be nominated for Best Picture.

Description: Jack Torrance's descent into madness while isolated in the Overlook Hotel is one of cinema's most iconic personality shifts. The film examines how isolation and past trauma can alter one's psyche.

Fact: Stanley Kubrick, known for his perfectionism, reportedly shot over 140 takes of the famous "Here's Johnny!" scene.

Description: Johnny Smith wakes from a coma with psychic abilities, which drastically alters his life and personality as he grapples with visions of future tragedies.

Fact: The film is based on Stephen King's novel, and Christopher Walken's performance as Johnny Smith is often cited as one of his best.

Description: Grace Stewart's protective nature turns into paranoia and fear as she discovers the truth about her house and her own existence, leading to a chilling revelation about her identity.

Fact: The film was shot in Spain, but set in England, and its twist ending has become one of the most discussed in horror cinema.

Description: Caroline Ellis, a hospice nurse, becomes entangled in voodoo magic, leading to a dramatic shift in her understanding of reality and her own identity.

Fact: The film was shot in New Orleans, incorporating real elements of local folklore and voodoo practices.

Description: Nina Sayers' transformation from a fragile ballerina to a dark, obsessive artist is both beautiful and horrifying. The film blurs the lines between reality and hallucination, showcasing a psychological horror of self-destruction.

Fact: Natalie Portman won an Academy Award for Best Actress for her role, and the film was also nominated for Best Picture.

Description: Amelia's struggle with grief and her son's behavior leads to a terrifying encounter with a mysterious entity from a children's book, which seems to manifest her darkest fears and change her personality.

Fact: The film was praised for its psychological depth and was often interpreted as an allegory for grief and depression.

Description: Will's paranoia grows during a dinner party hosted by his ex-wife, leading him to question the intentions of everyone around him, showcasing how grief can alter one's perception of reality.

Fact: The film was shot in one location, creating an intense, claustrophobic atmosphere.

Description: As Tommy and Austin perform an autopsy on an unidentified woman, they uncover supernatural forces that change their understanding of life and death, leading to a horrifying transformation.

Fact: The film was praised for its slow build-up of suspense and its unique approach to horror through forensic science.

Description: Set in 1630s New England, this film follows a family's disintegration as their eldest daughter, Thomasin, becomes the scapegoat for their misfortunes, leading to her transformation into something otherworldly.

Fact: The film uses authentic language from the period, and the director, Robert Eggers, aimed for historical accuracy in every aspect of the production.