Most Similar Movies to We Are Not Alone (1939)
If you are looking for movies like We Are Not Alone (1939), you might like movies tagged with keyword : sci-fi, horror, alien, mystery, film noir, psychological thriller, classic, b-movie, supernatural, conspiracy, 1940s, black and white, psychological horror, unknown creature, government conspiracy, mind control, alien threat, paranormal phenomenon, alien invasion, mysterious event .
Brainwashed (1960), Extraterrestrial (2014), Evil (2003), The Invitation (1973), Not of This World (1999), The Circle (2000), Murder in the Air (1940) ... Let's take a look at the following list...

Brainwashed (1960)
In 1938 Austria shortly after the Nazi occupation, a prominent Viennese intellectual, Werner von Basil, is arrested for smuggling art treatures out of the country and imprisoned by the Gestapo in a hotel room without any mental sustence of any kind to break him down to make him talk while a young ballerina, named Irene Adreny whom is the lover of the SS officer Berger...Read all
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Extraterrestrial (2014)
A group of friends on a weekend trip to a cabin in the woods find themselves terrorized by alien visitors.
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Evil (2003)
A teenage boy expelled from school for fighting arrives at a boarding school where the systematic bullying of younger students is encouraged as a means to maintain discipline, and decides to fight back.
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The Invitation (1973)
Mild-mannered office worker Remy (Michel Robin) invites a group of work colleagues to a gathering at his new country home, hiring refined butler Emile (François Simon) to oversee the festivities. Though the party begins innocently enough, as the alcohol flows it disintegrates into a drunken bacchanal, with revelers -- including office lothario Maurice (Jean-Luc Bideau) and spinster Emma (Neige Dolsky) -- revealing the most intimate details of their lives.
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Not of This World (1999)
The rumpled owner of a dry-cleaning firm joins forces with a nun to care for an abandoned baby.
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The Circle (2000)
Two women in Iran are given temporary leave from prison and attempt to flee to one of the women's hometown, but are caught by police. Meanwhile, one of their friends who has escaped jail is pregnant and in need of an abortion. "The Circle" tells the story of each of these women by shifting back and forth between them.
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Murder in the Air (1940)
The corpse of a hobo with a $50,000 money belt helps Brass and Gabby crack a cell of fifth columnists bent on sabotage.
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The Brain Machine (1955)
A doctor is taken hostage by a drug smuggler whom she has diagnosed as psychotic. Her estranged husband has to find her before the smuggling gang find him and kill them both.
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The Outer Gate (1937)
Bob Terry is in love with Lois Borden the daughter of his employer, John Borden. When some bonds are missing from the office, Bob is accused and because of Borden's strong sense of obligation to his stockholders, Bob is railroaded to prison. A few years later, the real thief is apprehended and Bob is released. He now begins his plan for revenge against Borden with the...Read all
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Diabolique (1955)
The wife and mistress of a loathed school principal hatch a plan to murder him while having the perfect alibi. They carry out the plan...but then his body disappears.
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Jacob's Ladder (1990)
Mourning his dead child, a haunted Vietnam War veteran attempts to uncover his past while suffering from a severe case of dissociation. To do so, he must decipher reality and life from his own dreams, delusions, and perceptions of death.
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The Haunting (1963)
A scientist doing research on the paranormal invites two women to a haunted mansion. One of the participants soon starts losing her mind.
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The Undercover Man (1949)
Determined Treasury Department investigator Frank Warren (Glenn Ford) goes after a ruthless mobster known as The Big Fellow. When a key informant is murdered, Warren pursues the gangster on charges of tax evasion. But, with a slick mob lawyer hampering him at every turn, and threats being lobbed toward Warren's wife (Nina Foch), the lawman's chances of achieving a conviction are slim to none. His only hope is that one syndicate bookkeeper will have the courage to turn state's evidence.
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The Dustwalker (2019)
One by one the residents of a small, isolated town become infected by an insidious bug that turns them into violent, indiscriminate killing machines.
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The X Files (1998)
Mulder and Scully must fight the government in a conspiracy and find the truth about an alien colonization of Earth.
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The Halfway House (1944)
A group of travellers, all with something to hide in their past, take shelter from a storm in an old inn. The inn-keeper seems a little mysterious...
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Fire in the Sky (1993)
An Arizona logger mysteriously disappears for five days in an alleged encounter with a flying saucer in 1975.
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So Dark the Night (1946)
Paris police detective Cassin has a well needed vacation at a rural inn, where the owners' adult daughter shows interest in him but she has a jealous boyfriend. Will Cassin need his skills?
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