Movies like The Gamma People (1956)
The best movies like The Gamma People (1956) are The Damned (1962), This Island Earth (1955) and X: The Unknown (1956). If The Gamma People hooked you with its science fiction and horror, these 30 similar films are what to watch next, and every pick says why it matches.
Quick picks
- Highest ratedThe Incredible Shrinking Man (1957)7.5/10 from 600 votes
- NewestSpace/Time (2025)Released 2025
The Damned (1962)
An American tourist and a troubled young woman are chased by her gang leader brother to a top secret British government facility that conducts experiments on children.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisThis Island Earth (1955)
Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisX: The Unknown (1956)
Army radiation experiments awaken a subterranean monster from a fissure that feeds on energy and proceeds to terrorise a remote Scottish village. An American research scientist at a nearby nuclear plant joins with a British investigator to discover why the victims were radioactively burned and why, shortly thereafter, a series of radiation-related incidents are occurring in an ever-growing straight line away from the fissure.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisThem! (1954)
As a result of nuclear testing, gigantic, ferocious mutant ants appear in the American desert southwest, and a father-daughter team of entomologists join forces with the state police officer who first discovers their existence, an FBI agent and, eventually, the US Army to eradicate the menace, before it spreads across the continent — and the world.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisGodzilla, King of the Monsters! (1956)
During an assignment, foreign correspondent Steve Martin spends a layover in Tokyo and is caught amid the rampage of an unstoppable prehistoric monster the Japanese call 'Godzilla'. The only hope for both Japan and the world lies on a secret weapon, which may prove more destructive than the monster itself.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisThe Earth Dies Screaming (1964)
A crack test pilot lands to find the planet has been devastated by unknown forces. There are a few survivors, so he organizes them in a plan to ward off control by a group of killer robots.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisIsland of Lost Souls (1932)
An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Popcorn FlickMovies like thisGigantis, the Fire Monster (1959)
A prehistoric monster called Gigantis emerges alongside another creature named Angurus.
Why it matches: Recommended by TMDB viewers · both horror & science fiction
Popcorn FlickMovies like thisThe Incredible Shrinking Man (1957)
A dangerous combination of radiation and insecticide causes the unfortunate Scott Carey to shrink, slowly but surely, until he is only a few inches tall. His home becomes a wilderness where he must survive everything from spiders living in the cellar to his beloved cat.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
Worth the HypeMovies like thisInvaders from Mars (1953)
A boy tries to stop aliens that have taken over his town and are brainwashing its inhabitants.
Why it matches: Recommended by TMDB viewers · both science fiction & horror
SnoozefestMovies like thisFutureworld (1976)
Two years after the Westworld tragedy in the Delos amusement park, the corporate owners have reopened the park following over $1 billion in safety and other improvements. For publicity purposes, reporters Chuck Browning and Tracy Ballard are invited to review the park. Just prior to arriving, however, Browning is given a clue by a dying man that something is amiss.
Why it matches: Recommended by TMDB viewers · both science fiction
SnoozefestMovies like thisTitan A.E. (2000)
A young man finds out that he holds the key to restoring hope and ensuring survival for the human race, while an alien species called the Drej are bent on mankind's destruction.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisSpace/Time (2025)
After a fatal test shuts down their project, a disgraced team of scientists enters the criminal underworld to rebuild a forbidden space-bending engine that could rescue humanity or annihilate it entirely.
Why it matches: Recommended by TMDB viewers · both science fiction
SnoozefestMovies like thisParallels (2015)
An underground MMA fighter must confront his sister and his past in an adventure through parallel universes
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisBabylon 5: A Call to Arms (1999)
Allies of the Shadows seek revenge against humanity. This movie sets up the series, "Crusade," the sequel to "Babylon 5."
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisBabylon 5: The Gathering (1993)
The feature-length pilot for this Emmy award-winning show. Babylon 5 is the latest in a series of space stations built by humans. The Vorlon ambassador, Kosh, has been poisoned. It is the new commanding officer, Jeffrey Sinclair, who has the responsibility of finding the culprit. Otherwise, the space station will fail in its role of bringing many alien races together.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisG.I. Joe: The Movie (1987)
G.I. Joe faces a new enemy as an ancient society of snake people known as Cobra-La try to forcefully take back the earth from those who drove them underground eons ago.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisEarth vs. the Flying Saucers (1956)
Test space rockets exploding at liftoff and increased reporting of UFO sightings culminate in a direct attempt by alien survivors of a dead, extra-galactic civilization to invade Earth from impervious flying saucers, using ray-weapons of mass destruction.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisMaster of the World (1961)
A mad genius tries to bomb the world into peace.
Why it matches: Recommended by TMDB viewers · both science fiction
Popcorn FlickMovies like thisThe Time Shifters (1999)
Tom Merrick gets caught up in a time-traveling conspiracy and must set the timeline right before it is irrevocably altered.
Why it matches: Recommended by TMDB viewers · both science fiction
SnoozefestMovies like thisCasshern (2004)
Fifty years of war between the Great Eastern Federation and Europa - now merged as Eurasia - have taken their toll on planet Earth. As a result of the use of biological, chemical and nuclear weapons, much of Earth has become uninhabitable and people have become prey to new diseases. Professor Azuma's "neo-cell" project, which is supposed to be the answer to mankind's hardships, becomes a nightmare come true when mutants spawned from the experiment escape and declare war on the human race. Azuma's son Tetsuya, who was killed during the previous war, is reborn into the cyborg Casshern as mankind's last hope against the new mutant threat. This live-action sci-fi movie based on a 1973 Japanese animé of the same name.
Why it matches: Similar story and style · both horror & science fiction
SnoozefestMovies like thisBody Melt (1994)
Residents of peaceful Pebbles Court, Homesville, are being used unknowingly as test experiments for a new 'Body Drug' that causes rapid body decomposition (melting skin etc.) and painful death.
Why it matches: Similar story and style · both horror & science fiction
SnoozefestMovies like thisThe Nude Vampire (1970)
A young man falls in love with a beautiful woman being chased by sinister masked figures at night. He tries to track her down, and learns she's being held captive by his father and colleagues who believe she's a vampire.
Why it matches: Similar story and style · both horror & science fiction
SnoozefestMovies like thisHell Comes to Frogtown (1988)
'Hell' is the name of the hero of the story. He's a prisoner of the women who now run the USA after a nuclear/biological war. Results of the war are that mutants have evolved, and the human race is in danger of extinction due to infertility. Hell is given the task of helping in the rescue of a group of fertile women from the harem of the mutant leader (resembling a frog). Hell cannot escape since he has a bomb attached to his private parts which will detonate if he strays more than a few hundred yards from his guard.
Why it matches: Similar story and style · both science fiction & horror
SnoozefestMovies like thisTokyo Gore Police (2008)
In a futuristic Tokyo where police have been privatized and bitter self-mutilation is so casual that advertising is often specially geared to the 'cutter' demographic, Ruka is on a mission to avenge her father's assassination. Ruka is a cop from a squad whose goal is to destroy homicidal mutant humans known as 'engineers', that possess the ability to transform any injury to a weapon in and of itself.
Why it matches: Similar story and style · both horror & science fiction
Popcorn FlickMovies like thisThe Lost Skeleton of Cadavra (2001)
A dedicated scientist, aided by his clueless wife, rolls up his shirt sleeves and tries to save the world from a radioactive monster, curious space aliens, an evil scientist and a crabby skeleton.
Why it matches: Similar story and style · both horror & science fiction
Popcorn FlickMovies like thisDeep Evil (2004)
There's been an incident at a top secret bio-research lab in remote Alaska. A crack team of military ops are on their way, unsure if it's an accident, an act of terrorism ... or something else. Tensions rise as the squad uncovers one grisly discovery after another, and faces the possibility of a traitor in their midst.
Why it matches: Similar story and style · both science fiction & horror
Mutants (2008)
The greedy Braylon owns the Just Rite Sugar Company and has hired the unethical scientist Sergei to conduct an experiment to make an addictive sugar stronger than heroin or nicotine to increase his sales. Sergei uses invisible people as test subjects, like beggars, addicted junkies and illegals, in the clandestine Shadow Rock Mill. When Braylon's men mistakenly kidnap Ryan, who is the brother of his secretary Erin and son of his security chief Griff, and Hannah, the youngster becomes an important non-contaminated subject. However, Erin receives some mysterious e-mails from the unknown Cinderella with a picture of Ryan and a hint that he might be in Shadow Rock and together with her father, they decide to seek out Ryan.
Why it matches: Similar story and style · both horror & science fiction
Alien Escape (1997)
Cindy and her beautiful friends are on vacation when they are assaulted by a ruthless gang of aliens attempting to take control of Earth. The friends join forces with Matt, a mysterious man they meet in the woods who turns out to be more than human. Together, Cindy and Matt launch a valiant attack against the alien ship and do battle with the murderous invaders from space.
Why it matches: Similar story and style · both horror & science fiction
Hulk vs. Wolverine (2009)
Department H sends in Wolverine to track down a mysterious beast known by the US Military as the Hulk, who is rampaging across the Canadian wilderness. Surveying the extent of the damage to a destroyed town, Wolverine notices a toxic scent as well as the smell of gunpowder. He is then deployed to the wilderness to resume tracking the creature.
Why it matches: Similar story and style · both science fiction
Worth the HypeMovies like this
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Frequently asked questions
What are the best movies like The Gamma People?
The closest matches to The Gamma People are The Damned (1962), This Island Earth (1955) and X: The Unknown (1956). Below are 27 more, each with the reason it matches.
What should I watch after The Gamma People?
Start with The Damned (1962), the closest match to The Gamma People.
What is the highest-rated movie like The Gamma People?
The Incredible Shrinking Man (1957), rated 7.5/10 by 600 TMDB users.
What is the newest movie like The Gamma People?
Space/Time (2025) is the most recent release on this list.
Are there English movies like The Gamma People?
Yes: The Damned (1962), This Island Earth (1955) and X: The Unknown (1956).
How are movies similar to The Gamma People chosen?
First come films that Trakt’s viewers watch alongside The Gamma People, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.