Most Similar Movies to The Deadly Affair (1966)
If you are looking for movies like The Deadly Affair (1966), you might like movies tagged with keyword : secret agent, inspector, wife, victim, widow, tense, intricate, london, office, household, investigation, murder, suicide, deception, espionage, mystery, quest, 1960s .
Brighton Rock (2010), Frantic (1988), Black Widow (1987), Requiem for a Killer (2011), The Gunman (2015), The Eiger Sanction (1975), The Postman Always Rings Twice (1981) ... Let's take a look at the following list...

Brighton Rock (2010)
Charts the headlong fall of Pinkie, a razor-wielding disadvantaged teenager with a religious death wish.
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Frantic (1988)
In a hotel room in Paris, a doctor comes out of the shower and finds that his wife has disappeared. He soon finds himself caught up in a world of intrigue, espionage, gangsters, drugs and murder.
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Black Widow (1987)
A federal investigator tracks down a gold-digging woman who moves from husband to husband to kill them and collect the inheritance.
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Requiem for a Killer (2011)
Lucrèce, the best killer in the business, accepts a final job: eliminate an opera singer who threatens the interests of a corporation. She's hired as a contralto for a festival her target is singing in, but things don't happen as planned.
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The Gunman (2015)
A sniper on a mercenary assassination team, kills the minister of mines of the Congo. Terrier's successful kill shot forces him into hiding. Returning to the Congo years later, he becomes the target of a hit squad himself.
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The Eiger Sanction (1975)
Classical art professor and collector Dr. Jonathan Hemlock, who doubles as a professional assassin, is coerced out of retirement to avenge the murder of an old friend.
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The Postman Always Rings Twice (1981)
The sensuous wife of a lunch wagon proprietor and a rootless drifter begin a sordidly steamy affair and conspire to murder her Greek husband.
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Gorky Park (1983)
A Moscow police officer investigates a vicious triple homicide and stumbles upon a high-level international political conspiracy.
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Point of No Return (1993)
A government fakes the death of a criminal to turn this young woman into a killer on its service.
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The Pelican Brief (1993)
A law student uncovers a conspiracy, putting herself and others in danger.
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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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The Perfect Marriage (2006)
A con man convinces his married lover (Jamie Luner) to kill her husband for the insurance money, and his reckless spending drives her away.
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Cohen and Tate (1988)
When a little boy witnesses a mob hit, he is kidnapped by two professional assassins who are not what they seem.
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Jennifer Eight (1992)
An LA homicide investigator moves and starts a murder investigation after a woman's hand etc. are found at a dump. Could it be a Jennifer (victims of a serial killer are called Jennifer).? It leads him to a witness; a cute, blind woman.
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Liberty Stands Still (2002)
Liberty, the wife of a gun manufacturer, is held hostage at a hot dog stand by a sniper seeking revenge.
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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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Killing Me Softly (2002)
A woman faces deadly consequences for abandoning her loving relationship with her boyfriend to pursue exciting sexual scenarios with a mysterious celebrity mountaineer.
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