Movies Like The Intruder Within

If you liked The Intruder Within (1981), a horror and science fiction movie directed by Peter Carter, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Underwater (2020)
★ 6.3/10Also horror and science fiction
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.
2
Splinter (2008)
★ 6.2/10Also horror and science fiction
When their plans for a nature trip go awry, Polly and boyfriend Seth decide to check into a motel. On their way, they're carjacked and kidnapped by low-rent crooks Dennis and Lacey, who take the victims and their SUV…
3
The Thing (2011)
★ 6.3/10Also horror and science fiction
When paleontologist Kate Lloyd travels to an isolated outpost in Antarctica for the expedition of a lifetime, she joins an international team that unearths a remarkable discovery. Their elation quickly turns to fear as…
4
Blood and Snow (2023)
★ 6.2/10Also science fiction and horror
When researchers rescue a fellow scientist who survived a meteorite strike in the Arctic, they discover she may not be who they think she is. Is she some-how changed?
5
Extinction (2015)
★ 6.4/10Also horror and science fiction
And suddenly, overnight, the world came to a halt. Two men, two survivors, one kid, and hatred that separates them. A place forgotten by everyone, including the creatures that inhabit the Earth... until now.
6
Event Horizon (1997)
★ 6.6/10Also horror and science fiction
In 2047, a group of astronauts are sent to investigate and salvage the starship Event Horizon which disappeared mysteriously seven years before on its maiden voyage. However, it soon becomes evident that something…
7
Prometheus (2012)
★ 6.6/10Also science fiction and horror
A team of explorers discover a clue to the origins of mankind on Earth, leading them on a journey to the darkest corners of the universe. There, they must fight a terrifying battle to save the future of the human race.
8
Die Alone (2024)
★ 6.5/10Also horror and science fiction
Lost in a world reclaimed by nature and overrun by mysterious creatures, Ethan, a young man with amnesia navigates the dangerous landscape in search of his lost love Emma. His journey takes an unexpected turn when he…
9
Books of Blood (2020)
★ 6.2/10Also horror and science fiction
A journey into uncharted and forbidden territory through three tales tangled in space and time.
10
The Meg (2018)
★ 6.2/10Also science fiction and horror
A deep sea submersible pilot revisits his past fears in the Mariana Trench, and accidentally unleashes the seventy foot ancestor of the Great White Shark believed to be extinct.
11
Slash/Back (2022)
★ 6.4/10Also science fiction and horror
In a remote Arctic community, a group of Inuit girls fight off an alien invasion, all while trying to make it to the coolest party in town.
12
Alien: Romulus (2024)
★ 7.2/10Also horror and science fiction
While scavenging the deep ends of a derelict space station, a group of young space colonizers come face to face with the most terrifying life form in the universe.
13
Signal One (2026)
★ 6/10Also science fiction and tv movie
A computer scientist is invited by a tech billionaire to join his private facility on a Caribbean island to investigate extraterrestrial matter on Earth. When they make contact beyond our world, chaos erupts as we’re…
14
Megaboa (2021)
★ 6.3/10Also horror and science fiction
On a trip to Colombia, a group of college students encounter a fifty-foot boa constrictor, hungry for blood.
15
Year 10 (2024)
★ 6.2/10Also horror and science fiction
After the fall of civilization, the few survivors have been driven to cannibalism. A young man must confront a violent tribe that has murdered his father and stolen the medicine that keeps his girlfriend alive.
16
Primitive War (2025)
★ 6.5/10Also horror and science fiction
During the Vietnam War, a recon unit ventures to an isolated jungle valley to uncover the fate of a missing platoon. They soon find themselves in a fight for their lives against an unexpected enemy — prehistoric…
17
The Last House (2026)
★ 6.8/10Also horror and science fiction
A family suddenly sealed inside their home must work together to survive against dwindling resources and the ominous threat keeping them trapped.
18
Southbound (2015)
★ 5.9/10Also horror and science fiction
The film contains five stories set on desolate stretches of a desert highway. Two men on the run from their past, a band on its way to a gig, a man struggling to get home, a brother in search of his long-lost sister…
19
Margaux (2022)
★ 5.9/10Also horror and science fiction
As a group of seniors celebrate their final college days at a smart house, the house's highly advanced AI system, Margaux, begins to take on a deadly presence of her own. A carefree weekend of partying turns into a…
20
Island of Lost Souls (1932)
★ 6.9/10Also science fiction and horror
An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.