Most Similar Movies to Unknown (2011)
If you are looking for movies like Unknown (2011), you might like movies tagged with keyword : doctor, taxi driver, impostor, professor, wife, assassin, gripping, suspenseful, gritty, berlin, germany, hospice, hotel, identity theft, mistaken identity, assassination, conspiracy, discovery, escape, quest, 2010s .
Striking Distance (1993), Blood Work (2002), The Negotiator (1998), Conspiracy Theory (1997), Inferno (2016), The Girl Who Played with Fire (2009), The Presidio (1988) ... Let's take a look at the following list...

Striking Distance (1993)
Coming from a police family, Tom Hardy ends up fighting his uncle after the murder of his father. Tom believes the killer is another cop and goes on the record with his allegations. Demoted then to river duty, the killer taunts Tom.
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Blood Work (2002)
Still recovering from a heart transplant, retired F.B.I. profiler Terry McCaleb (Clint Eastwood) returns to service when his own blood analysis offers clues to the identity of a serial killer.
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The Negotiator (1998)
In a desperate attempt to prove his innocence, a skilled police negotiator accused of corruption and murder takes hostages in a government office to gain the time he needs to find the truth.
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Conspiracy Theory (1997)
A man obsessed with conspiracy theories becomes a target after one of his theories turns out to be true. Unfortunately, in order to save himself, he has to figure out which theory it is.
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Inferno (2016)
When Robert Langdon wakes up in an Italian hospital with amnesia, he teams up with Dr. Sienna Brooks, and together they must race across Europe against the clock to foil a deadly global plot.
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The Girl Who Played with Fire (2009)
As computer hacker Lisbeth and journalist Mikael investigate a sex-trafficking ring, Lisbeth is accused of three murders, causing her to go on the run while Mikael works to clear her name.
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The Presidio (1988)
A San Francisco civilian police detective is forced to work on a series of murders with his former enemy commanding officer while dating his daughter.
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Tightrope (1984)
New Orleans single dad and cop Wes Block (Clint Eastwood) goes after a serial rapist-killer, but when he gets too close to the target, the hunter suddenly becomes the hunted.
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Ghajini (2005)
Sanjay Ramaswamy, who is suffering from short-term memory loss, sets out on a quest to find the people who were responsible for his ladylove Kalpana's murder.
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Ghajini (2008)
A short-term memory loss patient sets out on his journey to avenge the death of his beloved girl.
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The Da Vinci Code (2006)
A murder inside the Louvre, and clues in Da Vinci paintings, lead to the discovery of a religious mystery protected by a secret society for two thousand years, which could shake the foundations of Christianity.
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The International (2009)
An Interpol agent attempts to expose a high-profile financial institution's role in an international arms dealing ring.
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Murder at 1600 (1997)
A young woman is murdered in the White House. Homicide detective Regis/W.Snipes investigates while Secret Service works against him. He's assigned agent Chance/D.Lane. She eventually cooperates after a man's framed.
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Breakdown (1997)
A man searches for his missing wife after his car breaks down in the middle of the desert.
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Kiss the Girls (1997)
Police hunting for a serial kidnapper are helped when a victim manages to escape for the first time.
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Zodiac (2007)
In the late 1960s/early 1970s, a San Francisco cartoonist becomes an amateur detective obsessed with tracking down the Zodiac Killer, an unidentified individual who terrorizes Northern California with a killing spree.
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Vantage Point (2008)
The attempted assassination of the American President is told and re-told from several different perspectives.
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Spartan (2004)
The investigation into a kidnapping of the daughter of a high-ranking US government official.
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