Movies Like It Conquered the World

If you liked It Conquered the World (1956), a science fiction and thriller movie directed by Roger Corman, 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
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.
2
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.
3
Gemini Man (2019)
★ 6.3/10Also thriller and science fiction
Henry Brogan is an elite 51-year-old assassin who's ready to call it quits after completing his 72nd job. His plans get turned upside down when he becomes the target of a mysterious operative who can seemingly predict…
4
Spectral (2016)
★ 6.6/10Also science fiction and thriller
A special-ops team is dispatched to fight supernatural beings that have taken over a European city.
5
Invasion of the Body Snatchers (1956)
★ 7.5/10Also science fiction and horror
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.
6
Predators (2010)
★ 6.3/10Also science fiction and thriller
A group of cold-blooded killers find themselves trapped on an alien planet to be hunted by extraterrestrial Predators.
7
Possessor (2020)
★ 6.4/10Also horror and thriller
Tasya Vos, an elite corporate assassin, uses brain-implant technology to take control of other people’s bodies to terminate high profile targets. As she sinks deeper into her latest assignment, Vos becomes trapped…
8
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.
9
Zygote (2017)
★ 7/10Also horror and science fiction
The two remaining crew members of a mining operation in the Arctic Circle fight to survive against an alien creature.
10
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…
11
Screamers (1995)
★ 6.3/10Also horror and science fiction
SIRIUS 6B, Year 2078. On a distant mining planet ravaged by a decade of war, scientists have created the perfect weapon: a blade-wielding, self-replicating race of killing devices known as Screamers designed for one…
12
Splinter (2008)
★ 6.2/10Also horror and thriller
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…
13
Prodigy (2017)
★ 6.1/10Also thriller and science fiction
Jimmy is a committed child psychologist who uses his own playbook, but when he is brought in to work with Ellie, he is completely unprepared for his subject—a 9-year-old psychopathic genius with nothing to lose. As he…
14
Nightmares (1983)
★ 5.9/10Also horror and science fiction
A collection of short stories. In one a woman who leaves her house late at night to drive to the store while a killer is loose encounters some problems. In the second an arcade whiz kid's obsession with a game leads to…
15
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.
16
Project Ithaca (2019)
★ 5.8/10Also science fiction and thriller
Five strangers awaken to find themselves trapped aboard an alien spaceship that seems to be harnessing their terror to power the ship. They begin to understand that these species have been abducting humans for decades…
17
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.
18
Hollow Man (2000)
★ 6/10Also science fiction and thriller
Cocky researcher Sebastian Caine is working on a project to make living creatures invisible. Determined to achieve the ultimate breakthrough, Caine pushes his team to move to the next phase — using himself as the…
19
Lifeforce (1985)
★ 6.2/10Also horror and science fiction
A race of space vampires arrives in London and infects the populace, commencing an apocalyptic descent into chaos.
20
Wifelike (2022)
★ 6.5/10Also science fiction and thriller
A grieving detective in the near-future hunts down criminals who trade artificial humans on the black market. In the fight to end AI exploitation, an underground resistance attempts to infiltrate him by sabotaging the…