The Best Conspiracy Films

A bookish CIA researcher in Manhattan finds all his co-workers dead, and must outwit those responsible until he figures out who he can really trust.

A man in London tries to help a counter-espionage agent, but when the agent is killed and the man stands accused, he must go on the run to save himself and stop a spy ring that is trying to steal top-secret information.

A crooked politician finds himself being accused of murder by a gangster from whom he refused help during a re-election campaign.

After being hired to find an ex-con's former girlfriend, Philip Marlowe is drawn into a deeply complex web of mystery and deceit.

An insurance representative is seduced by a dissatisfied housewife into a scheme of insurance fraud and murder that arouses the suspicion of his colleague, a claims investigator.

A former San Francisco police detective juggles wrestling with his personal demons and becoming obsessed with the hauntingly beautiful woman he has been hired to trail, who may be deeply disturbed.

A New York City advertising executive goes on the run after being mistaken for a government agent by a group of foreign spies, and falls for a woman whose loyalties he begins to doubt.

An American POW in the Korean War is brainwashed as an unwitting assassin for an international Communist conspiracy.

A nonconformist San Francisco cop is determined to find the underworld kingpin who killed the witness under his protection.

A paranoid, secretive surveillance expert has a crisis of conscience when he suspects that the couple he is spying on will be murdered.

Conspiracy thriller inspired by the conspiracy theories surrounding the assassination of JFK. After a fictional president is assassinated, a determined, tough prosecutor investigates the emerging conspiracy behind it.

During an extreme heatwave, a beautiful Florida woman and a seedy lawyer engage in an affair while plotting the murder of her rich husband.

A movie sound recordist accidentally records the evidence that proves that a car accident was actually murder and consequently finds himself in danger.

The cop test pilot for an experimental police helicopter learns the sinister implications of the new vehicle.

A young actor's obsession with spying on a beautiful woman who lives nearby leads to a baffling series of events with drastic consequences.

After a newspaper reporter helps expose a Member of Parliament as a possible spy, he finds that there's much more to the story than that.

The Secretary of Defense forces a Pentagon naval aide to lead a spy manhunt.

A Jewish homicide detective investigates a seemingly minor murder and falls in with a Zionist group as a result.

A psychiatrist comes to the aid of a compulsive gambler and is led by a smooth-talking grifter into the shadowy but compelling world of stings, scams, and con men.

A security pro finds his past returning to haunt him when he and his unique team are tasked with retrieving a particularly important item.

A law student uncovers a conspiracy, putting herself and others in danger.

Dr. Richard Kimble, unjustly accused of murdering his wife, must find the real killer while being the target of a nationwide manhunt led by a seasoned U.S. Marshal.

The sole survivor of a pier shoot-out tells the story of how a notorious criminal influenced the events that began with five criminals meeting in a seemingly random police lineup.

An American agent, under false suspicion of disloyalty, must discover and expose the real spy without the help of his organization.

An employee who develops a lucrative secret process for his corporation is tempted to betray the company when higher ups attempt to take the process from him. Dastardly intrigue ensues.