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Under the Skin (2014)
6.3/10on IMDb
Released
Pick this for an unnerving look at the small gestures that make a stranger pass as ordinary. An alien woman drives through Scotland and talks to men who take her for a human. Long stretches with little dialogue give you time to study how she looks at people and how they look back.
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Invasion of the Body Snatchers (1956)
7.7/10on IMDb
Released
In the 1956 version, a small-town doctor hears from people who insist their relatives look the same but feel like strangers. The black-and-white film lets that private suspicion travel through the town until even a familiar face offers little reassurance.
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Invasion of the Body Snatchers (1978)
7.4/10on IMDb
Released
Try Philip Kaufman's 1978 version for the same premise in a city full of strangers. A public health inspector and his colleague follow reports that people are acting like different versions of themselves. A crowd can turn from cover into a problem faster than you think.
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Body Snatchers (1993)
6.0/10on IMDb
Released
Pick Abel Ferrara's version if you want obedience to be part of what makes the impostors hard to spot. A teenager moves to a military base, where the residents' rigid routines give life on the base a strange edge even before she understands what is replacing people.
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The Invasion (2007)
5.9/10on IMDb
Released
An extraterrestrial epidemic alters the way people behave. The psychiatrist investigating its origins has to find her son while staying out of sight. Nicole Kidman makes the threat feel close and personal even as it reaches beyond Washington, DC.
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The Thing (1982)
8.2/10on IMDb
Released
Start with John Carpenter's 1982 film if you want mimicry to be a survival problem. People at an Antarctic station can't tell who has been copied, even when they can keep everyone in the same room. Watch the group try to invent a test they can still trust once it starts producing results.
More about The Thing28
The Thing (2011)
6.3/10on IMDb
Released
The 2011 prequel takes the disguise to a Norwegian research outpost. Once the scientists realize that the creature can imitate the people it gets close to, they have to decide whether there’s any reliable way to tell who’s still human.
More about The Thing29
I Married a Monster from Outer Space (1958)
6.3/10on IMDb
Released
Pick this if you want a story that brings an invasion home to a marriage. A woman's husband comes back different after their wedding, and her attempts to tell people what feels wrong show how many others expect her to accept it as normal.
More about I Married a Monster from Outer Space30
Invaders from Mars (1953)
6.3/10on IMDb
Released
Choose the 1953 film to watch familiar adults become threatening from a child's height. David sees an object land, then finds that his father has changed when he returns from looking into it. The off-kilter sets make it feel as if the town has changed shape along with its people.
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Invaders from Mars (1986)
5.6/10on IMDb
Released
Pick Tobe Hooper's 1986 remake if you want the child’s view with more creature effects. Adults who should be helping a boy after he spots a spacecraft start behaving strangely instead. A school nurse who listens gives you one reason to hope he can work out who is still himself.
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Dark City (1998)
7.5/10on IMDb
Released
John Murdoch wakes in a city with no daylight and discovers that its pale, human-looking Strangers have an interest in what people remember. Pick this for a science-fiction noir where the search for a missing past is more unsettling than any one disguise.
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The Hidden (1987)
7.0/10on IMDb
Released
Choose this for a fast police thriller about an alien that leaves its identity behind whenever it needs to. Ordinary people abruptly start committing the sorts of crimes nobody expects of them, and a new body throws off the detectives trying to build a profile.
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The Puppet Masters (1994)
5.9/10on IMDb
Released
Try this for an invasion where the original faces stay in place. Alien parasites take control of people, so knowing what someone looks like or where they work won't help you decide whether to trust them. An investigation turns into a search for the physical signs behind that familiar face.
More about The Puppet Masters35
The Arrival (1996)
6.2/10on IMDb
Released
Pick the 1996 film for a conspiracy that starts with an astronomer hearing a signal. The search leads to aliens whose human appearances let them keep their work out in the open. A gradual change in the landscape is the bigger clue that their goals may be different from ours.
More about The Arrival36
Impostor (2001)
6.2/10on IMDb
Released
Choose this if you want the switch to be a question rather than a certainty. A weapons specialist is accused of being an alien replica and goes looking for a way to prove he's himself. The more seriously you take his memories, the harder it is to dismiss the possibility that a copy could take them seriously too.
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The Astronaut's Wife (1999)
5.4/10on IMDb
Released
Choose this for a domestic thriller about someone coming back from space apparently intact. Jillian's husband makes it home after losing contact during his mission, but his new habits make familiar rooms feel unsafe. Her search for what changed plays closer to marriage horror than a battle for Earth.
More about The Astronaut's Wife38
The World's End (2013)
6.9/10on IMDb
Released
Try this for an invasion comedy where the old hometown looks too much like the old hometown. Friends return for a pub crawl and realize how many residents have been replaced by copies linked to an alien network. The more standardized the pubs feel, the more the replacement starts to look like something that was already happening.
More about The World's End39
The Watch (2012)
5.7/10on IMDb
Released
Pick this for broad comedy about neighbors who start a watch and discover it was the wrong kind of threat they expected. The aliens can blend in, making the men look even less prepared as they start checking which familiar faces they can trust.
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Species (1995)
5.9/10on IMDb
Released
Choose this for a creature thriller where human-looking features were designed into the problem. A hybrid escapes from a lab and can navigate the city by passing as an ordinary young woman. The people following her have to learn what those appearances hide before they can predict where she'll go.
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