Most Similar Movies to I Married a Monster From Outer Space (1958)
If you are looking for movies like I Married a Monster From Outer Space (1958), you might like movies tagged with keyword : alien, wife, police officer, campy, tense, creepy, small town, bar, alien invasion, marriage, pregnancy, deception, discovery, mystery, transformation, 1950s .
Strange Invaders (1983), The Troops & Aliens (1979), Invaders From Mars (1953), The Puppet Masters (1994), Men in Black: International (2019), Attraction (2017), Invasion of the Body Snatchers (1956) ... Let's take a look at the following list...

Strange Invaders (1983)
Alien beings, whose settlement in a small midwestern town, are disturbed by a young professor determined to rescue his son from their clutches.
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The Troops & Aliens (1979)
In St. Tropez, French gendarme Cruchot and his men battle petroleum-drinking, human-looking, metallic aliens.
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Invaders From Mars (1953)
A young boy learns that space aliens are taking over the minds of earthlings.
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The Puppet Masters (1994)
The Earth is invaded by stingray-shaped alien "slugs" that ride on people's backs and control their minds.
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Men in Black: International (2019)
The Men in Black have always protected the Earth from the scum of the universe. In this new adventure, they tackle their biggest threat to date: a mole in the Men in Black organization.
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Attraction (2017)
An alien ship crash lands onto a Russian city, many who saw it and the occupants start to question their own existence, while there are those who demand the aliens leave Earth.
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Invasion of the Body Snatchers (1956)
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.
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Killer Klowns from Outer Space (1988)
Aliens who look like clowns come from outer space and terrorize a small town.
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Trail of the Screaming Forehead (2007)
A small town infestation of crawling alien foreheads that begin attaching to people and taking them over collides with a scientist's experiments to extract foreheadazine and things go horribly horribly wrong.
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Communion (1989)
Oct.4 and Dec.26 the Strieber family drives from NYC to their cabin in the woods. Both nights there are some powerful lights outside and maybe aliens. The dad is mentally affected by the "bad dream", goes to the shrink and is hypnotized.
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The Astronaut's Wife (1999)
After an explosion in space and subsequent two-minute radio-out period, two astronauts return home to their wives. Slightly it's revealed that they're not the same as they were.
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Revolt (2017)
An amnesiac US soldier's in a cell next to a cute, French doctor. Earth is under attack by big, alien robots. Kenyan soldiers come to rape, torture and kill but the 2 fight back. They find a car and head west.
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Devil Girl From Mars (1954)
An uptight, leather-clad female alien, armed with a ray gun and accompanied by a menacing robot, comes to Earth to collect Earth's men as breeding stock.
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Specimen (1996)
After his grandmother's death, 24-year-old Mike Hillary sets off in search of who he thinks is his real father. Little does he suspect the real scenario: his late mother was impregnated by aliens, and now they've sent someone down to bring back their "specimen"--dead or alive.
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The Body Stealers (1968)
In Britain, bodies of NATO paratroopers are being snatched during routine jumps by a mysterious red-beam of alien origin.
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Plan 9 from Outer Space (1959)
Evil aliens attack Earth and set their terrible "Plan 9" in action. As the aliens resurrect the dead of the Earth to destroy the living, our lives are in danger.
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Arrival (2016)
A linguist works with the military to communicate with alien lifeforms after twelve mysterious spacecraft appear around the world.
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Dark City (1998)
A man struggles with memories of his past, which includes a wife he cannot remember, and a nightmarish world without a sun.
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