Georgetown, Washington D.C. A successful actress lives in a rented house near the university with her twelve-year-old daughter. The father is absent, somewhere overseas. The mother is shooting a film. Life is ordinary—until the daughter begins to change.
It starts with small things. A bed shaking in the night. Unexplained noises. Then the voice, speaking from somewhere deep inside the child, says terrible things. The doctors find nothing. The psychiatrists prescribe pills that don’t work. And then the child’s body begins to distort, to twist into something inhuman, and the voice identifies itself: “I am the Devil.”
This is not the beginning of a ghost story. This is The Exorcist (1973), and it remains the most terrifying film ever made.
What the Film Is
William Friedkin’s adaptation of William Peter Blatty’s bestseller follows Chris MacNeil (Ellen Burstyn), an actress whose daughter Regan (Linda Blair) becomes possessed by a demon claiming to be Pazuzu, an ancient Assyrian deity. When medicine fails, Chris turns to the Catholic Church and finds Father Damien Karras (Jason Miller), a Jesuit psychiatrist wrestling with his own crisis of faith.
Karras, convinced the case is psychological, is out of his depth. He brings in Father Lankester Merrin (Max von Sydow), an elderly archaeologist who has performed exorcisms before and knows what they cost. The two priests enter Regan’s bedroom—a freezing, foul-smelling chamber where a child sits on a bed, her head spinning, her body contorted, speaking in languages she doesn’t know and voices that aren’t hers.
The film is not about jump scares. It is about dread. The dread of watching a mother lose her child. The dread of watching faith tested by something that should not exist. The dread of a room that smells of rotting flowers and something worse.
Why It Possessed Cinema
Released in December 1973, The Exorcist was an immediate phenomenon. Audiences fainted in theaters. Paramedics were stationed outside screenings. The film became the highest-grossing horror movie of its time and earned ten Academy Award nominations—including Best Picture, unheard of for a horror film.
But the film’s power lies not in its effects but in its seriousness. Friedkin treats possession not as entertainment but as theology. He asks: What if evil is real? What would it look like? How would it behave? And what would it cost to confront it?
The answer is devastating.
The True Story Behind the Terror
Blatty was a Georgetown student in 1950 when he read a newspaper account of a 1949 exorcism. A fourteen-year-old boy—later identified as Ronald Edwin Hunkeler (1935–2020)—had allegedly been possessed. The case involved thirty witnesses, nine Jesuit priests, and a diary kept by attending priest Father Raymond J. Bishop. The rites took place over weeks in Maryland and St. Louis.
Blatty changed the boy to a girl for his novel. He added the mother’s Hollywood background. But the core—the medical tests, the failing treatments, the ritual itself—remained rooted in the documented case.
Trivia: In the film, when Father Karras examines Regan, he finds scratches forming words. In the real 1949 case, witnesses reported similar phenomena—marks appearing on the boy’s body in patterns that seemed deliberate.
Casting the Unholy
Max von Sydow, only forty-four, played the elderly Merrin. The makeup aged him decades. His performance is quiet, almost monastic—a man who has seen this before and knows the outcome.
Ellen Burstyn fought for the role of Chris MacNeil. She is the film’s emotional anchor: a mother watching her child disappear, willing to believe anything, try anything, to save her. Her scream in the scene where Regan throws her across the room is real—she suffered a permanent spinal injury when the harness yanked her too violently.
Jason Miller was not an actor. He was a Pulitzer Prize-winning playwright who had studied to be a Jesuit priest for three years before a spiritual crisis led him away. When he read Blatty’s novel, he told Friedkin: “[Karras] is me.” His portrayal of a priest losing his faith while fighting for a child’s soul is one of cinema’s most honest examinations of religious doubt.
Linda Blair, thirteen during filming, underwent medical examinations to ensure she could withstand the physical demands. The harnesses, the freezing sets, the prosthetics—she endured conditions that would not be allowed today.
Trivia: In the projectile vomiting scene, the apparatus was supposed to hit Miller in the chest. It misfired and hit him in the face. His shock is genuine. The pea soup used for the effect spoiled under the hot lights, making the smell even more authentic.
The Production as Exorcism
Friedkin approached the film as documentary. The Georgetown house was a real location. The bedroom set was refrigerated to near-freezing so breath would be visible. He fired guns into the air to startle actors. He slapped a priest (in character) to get a reaction.
Mike Oldfield’s “Tubular Bells”—an avant-garde instrumental piece—became the film’s unofficial theme. The eerie, repetitive melody matched Friedkin’s vision of creeping dread. It was not written for horror, but it became inseparable from it.
The Curse?
By the premiere, rumors of a curse circulated. Jack MacGowran (Burke Dennings) died of influenza before release. Vasiliki Maliaros (Karras’s mother) died during post-production. A fire destroyed part of the set. A priest was brought in to bless the production.
Coincidence? Perhaps. But the film invites such speculation. It treats the supernatural seriously. It makes you believe, if only for two hours, that the darkness is real.
Why It Still Haunts
- It respects your intelligence. The first hour is medical mystery—doctors, tests, consultations. The supernatural is only believable because the natural has been exhausted.
- It is genuinely frightening. Not with jump scares, but with atmosphere—the dread of the bedroom, the weight of the ritual, the certainty that knowledge can get you killed.
- It understands maternal terror. Ellen Burstyn’s performance is not of a horror victim but of a mother at war.
- The ending is not victory. Even after the demon is gone, the cost is measured in bodies. The film offers hope, but not happily-ever-after.
How to Watch (If You Dare)
- Follow the medical arc. The first hour is deliberate. The film earns its supernatural turn by exhausting every rational explanation first.
- Listen for the silence. The film is quiet for long stretches. The dread builds in what you don’t hear.
- Watch Karras’s crisis. His scenes in the church at night—talking to the statue of Christ—are among the most honest portrayals of religious doubt ever filmed.
- Notice the ending. It is not triumphant. It is exhausted, grieving, and uncertain.
Frequently Asked Questions
What is The Exorcist about?
A twelve-year-old girl becomes possessed by a demon. Her mother, desperate, enlists two Catholic priests—one a psychiatrist losing his faith, one an elderly exorcist—to perform an exorcism. The film follows their battle for the child’s soul.
Is it based on a true story?
Loosely. The film is based on William Peter Blatty’s novel, which was inspired by the 1949 exorcism of Ronald Edwin Hunkeler, a fourteen-year-old boy. The real case involved Jesuit priests and was documented by attending clergy.
Why is it considered the scariest film ever made?
Friedkin treats the material with documentary seriousness. The body horror is visceral, but the psychological horror—the loss of a child, the crisis of faith—is deeper. It asks real questions about evil and belief.
Was anyone injured making the film?
Ellen Burstyn suffered a permanent spinal injury during a stunt. Linda Blair experienced back problems from the harnesses. Both endured freezing temperatures and practical effects that would not be permitted today.
Is there a curse on the film?
Several cast members died during or shortly after production, and strange accidents occurred. Whether coincidence or something more, the legend persists and adds to the film’s uncanny reputation.
The Exorcist remains the standard by which all possession films are measured—not because it is the most graphic, but because it is the most serious. It believes in its own mythology. It forces the audience to confront what faith actually costs. And it reminds us that sometimes the horror is not in what we see, but in what we might be forced to believe.
The devil is in the details. And the details are still terrifying.
