Movies Like Of Unknown Origin
If you loved Of Unknown Origin's Horror storytelling, these films deliver a similar experience — carefully selected for tone, themes, and emotional depth. Each pick includes where to watch it right now.
★ Top Picks

Willard
A social misfit, Willard is made fun of by his co-workers, and squeezed out of the company started by his deceased father by his boss. His only friends are a couple of rats he raised at home, Ben and Socrates. However, when one of them is killed at work, he goes on a rampage using his rats to attack those who have been tormenting him.

Cujo
A friendly St. Bernard named "Cujo" contracts rabies and conducts a reign of terror on a small American town.

Ben
A lonely boy becomes good friends with Ben, a rat. This rat is also the leader of a pack of vicious killer rats, killing lots of people.

The Mist
After a violent storm, a dense cloud of mist envelops a small Maine town, trapping David Drayton and his five-year-old son in a local grocery store with other local residents. They soon discover that the mist conceals deadly horrors that threaten their lives, and worse, their sanity.

Willard
Desperate for companionship, the repressed Willard befriends a group of rats that inhabit his late father's deteriorating mansion. In these furry creatures, Willard finds temporary refuge from daily abuse at the hands of his bedridden mother and his father's old partner, Frank. Soon it becomes clear that the brood of rodents is ready and willing to exact a vicious, deadly revenge on anyone who dares to bully their sensitive new master.

Wolfen
A New York City cop and an expert criminologist trying to solve a series of grisly deaths in which the victims have seemingly been maimed by feral animals discover a sinister connection between the crimes and an old legend.

The Serpent and the Rainbow
A Harvard anthropologist is sent to Haiti to retrieve a strange powder that is said to have the power to bring human beings back from the dead. In his quest to find the miracle drug, the cynical scientist enters the rarely seen netherworld of walking zombies, blood rites and ancient curses. Based on the true life experiences of Wade Davis and filmed on location in Haiti, it's a frightening excursion into black magic and the supernatural.

Silver Bullet
The small city of Tarker's Mills is startled by a series of sadistic murders. The population fears the work of a maniac, but sightings of a mysterious, hairy creature soon spread. People lock themselves up at night, but there's one boy who's still outside…
More Movies Like Of Unknown Origin

Mimic
A disease carried by common cockroaches is killing Manhattan children. In an effort to stop the epidemic an entomologist, Susan Tyler, creates a mutant breed of insect that secretes a fluid to kill the roaches. This mutant breed was engineered to die after one generation, but three years later Susan finds out that the species has survived and evolved into a large, gruesome monster that can mimic human form.

Sleepwalkers
Charles Brady and his mother, Mary, are the last of a dying breed whose needs are not of this world. They are Sleepwalkers - able to stay alive only by feeding on the life-force of the innocent, but destined to roam the earth, avoiding discovery while searching for their next victim. That search takes them to the sleepy little town of Travis, Indiana, where beautiful teenager Tanya Robertson is about to become an unwilling pawn in their nightmarish fight for survival.

Cold Storage
When a mutating, highly contagious fungus escapes a sealed facility, two employees – joined by a grizzled bioterror operative – must survive the wildest night shift ever to save humanity from extinction.

Monkey Shines
A quadriplegic man is given a trained monkey help him with every day activities, until the little monkey begins to develop feelings, and rage, against its new master and those who get too close to him.

Pet
A man bumps into an old crush and becomes obsessed. After several failed attempts at winning her over, he kidnaps her and holds her captive underneath the animal shelter where he works.

World War Z
Life for former United Nations investigator Gerry Lane and his family seems content. Suddenly, the world is plagued by a mysterious infection turning whole human populations into rampaging mindless zombies. After barely escaping the chaos, Lane is persuaded to go on a mission to investigate this disease. What follows is a perilous trek around the world where Lane must brave horrific dangers and long odds to find answers before human civilization falls.

The Relic
A homicide detective teams up with an evolutionary biologist to hunt a giant creature that is killing people in a Chicago museum.

Arachnophobia
A large spider from the jungles of South America is accidentally transported in a crate with a dead body to America where it mates with a local spider. Soon after, the residents of a small California town disappear as the result of spider bites from the deadly spider offspring. It's up to a couple of doctors with the help of an insect exterminator to annihilate these eight legged freaks.

Dark Harvest
In a small Midwestern town, a deadly annual ritual unfolds when the mythical nightmare, Sawtooth Jack, rises from the cornfields and challenges the town’s teenage boys in a bloody battle of survival.

Wake Up
A group of young activists set out to make an environmental statement by vandalizing a home superstore as it closes. But their plan goes terribly wrong when they become trapped inside and must face a deranged security guard with a gruesome passion for primitive hunting. As the night fills with violence and terror, the teenagers find themselves in a desperate fight for their lives.

Clown in a Cornfield
Quinn and her father have just moved to the quiet town of Kettle Springs hoping for a fresh start. Instead, she discovers a fractured community that has fallen on hard times after the treasured Baypen Corn Syrup Factory burned down. As the locals bicker amongst themselves and tensions boil over, a sinister, grinning figure emerges from the cornfields to cleanse the town of its burdens, one bloody victim at a time.

Mother's Day
Crazed members of a sadistic family return to their childhood home to terrorize the new owners.
Why These Movies Are Similar
These recommendations share core qualities with Of Unknown Origin (1983): Horror themes, similar narrative structure, and comparable emotional depth. NoBadPicks uses a combination of TMDB collaborative filtering, genre matching, and AI analysis to surface films most likely to resonate with fans of Of Unknown Origin.
See full details for Of Unknown Origin (1983)