Movies Like The Alien Within

If you liked The Alien Within (1995), a horror and science fiction movie directed by Scott P. Levy, 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
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…
2
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.
3
Iron Lung (2026)
★ 6.8/10Also horror and science fiction
In a post-apocalyptic future where an event known as "The Quiet Rapture" caused all known stars and habitable planets in the universe to disappear, a convict is sent to search an ocean of blood discovered on a desolate…
4
The Bay (2012)
★ 5.8/10Also horror and science fiction
Chaos breaks out in a small Maryland town after an ecological disaster occurs.
5
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.
6
Scanners (1981)
★ 6.7/10Also science fiction and horror
A scientist trains a man with an advanced telepathic ability called 'scanning' to stop a dangerous Scanner with extraordinary psychic powers from waging war against non-Scanners.
7
Alien: Covenant (2017)
★ 6.2/10Also horror and science fiction
The crew of the colony ship Covenant, bound for a remote planet on the far side of the galaxy, discovers what they think is an uncharted paradise but is actually a dark, dangerous world.
8
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…
9
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.
10
Die Alone (2024)
★ 6.4/10Also 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…
11
Leviathan (1989)
★ 6/10Also horror and science fiction
Underwater deep-sea miners encounter a Soviet wreck and bring back a dangerous cargo to their base on the ocean floor with horrifying results. The crew of the mining base must fight to survive against a genetic…
12
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.
13
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.
14
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…
15
The Signal (2007)
★ 5.9/10Also horror and science fiction
A horror film told in three parts, from three perspectives, in which a mysterious transmission that turns people into killers invades every cell phone, radio, and television.
16
The Faculty (1998)
★ 6.6/10Also horror and science fiction
When creepy things start happening at Herrington High, the students begin to suspect that their faculty is being controlled by body-snatching aliens.
17
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.
18
The Fly (1986)
★ 7.5/10Also horror and science fiction
When brilliant, eccentric scientist Seth Brundle makes a huge technological breakthrough in teleportation, he decides to test it on himself. Unbeknownst to him, a common housefly manages to get inside the device and…
19
Alligator (1980)
★ 6/10Also horror and science fiction
A baby alligator is flushed down a toilet and survives by eating discarded lab animals that have been injected with growth hormones. The now gigantic animal escapes the city sewers and goes on a rampage, pursued by a…
20
V/H/S/Beyond (2024)
★ 6.6/10Also horror and science fiction
The infinite playground of forbidden worlds and dangerous lifeforms offered by the sci-fi horror genre will lead to the biggest, maddest, bloodiest V/H/S ever.