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Movies like Alert (2019)

The best movies like Alert (2019) are Black Widow (1987), Side Street (1950) and The Quiller Memorandum (1966). If Alert hooked you with its thriller, these 20 similar films are what to watch next, and every pick says why it matches.

Quick picks

  1. Black Widow (1987)

    Federal agent Alexandra Barnes believes that Catherine Petersen is a serial killer who marries rich men and then murders them for their money. But since Catherine is seemingly a master of disguise and has multiple identities, Alexandra can't prove anything with conventional detective work. With no other option, she goes undercover, pursuing the same man as Catherine, and hoping that Catherine will slip up and reveal her true identity.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  2. Side Street (1950)

    A struggling young father-to-be gives in to temptation and impulsively steals an envelope of money from the office of a corrupt attorney. Instead of a few hundred dollars, it contains $30,000. When he decides to return the money, things go wrong - and that is only the beginning of his troubles.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  3. The Quiller Memorandum (1966)

    After two British Secret Intelligence Service agents are murdered at the hands of a cryptic neo-Nazi group known as Phoenix, the suave agent Quiller is sent to Berlin to investigate.

    Why it matches: Recommended by TMDB viewers · both thriller

  4. Ballistic (2026)

    When a soldier's mother discovers the bullet that killed her son in Afghanistan was made at the factory where she works, she sets out on a path of revenge against those responsible.

    Why it matches: Recommended by TMDB viewers · both thriller

  5. The Dark Mirror (1946)

    A sister and her disturbed twin are implicated in a murder and a police detective must figure out which one's the killer.

    Why it matches: Recommended by TMDB viewers · both thriller

    Worth the HypeMovies like this
  6. Conflict (1945)

    Unhappily married Richard Mason concocts a meticulous scheme to kill his shrewish wife so that he'll be free to marry her sister.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  7. The Glass Key (1942)

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

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  8. A Kiss Before Dying (1956)

    A college student tries to get rich quick by wooing two wealthy sisters.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  9. What's the Matter with Helen? (1971)

    Two middle-aged women move to Hollywood after their sons are convicted of a notorious murder and open a dance school for children eager to tap their way to stardom.

    Why it matches: Recommended by TMDB viewers · both thriller

  10. Z (2019)

    A family find themselves terrorized by their eight-year-old son's imaginary friend.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  11. Quicksand (2023)

    A married couple on the brink of divorce becomes trapped in quicksand while hiking through a Colombian rainforest. It’s a struggle for survival as they battle the elements of the jungle and must work together in order to escape.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  12. The Reckless Moment (1949)

    After discovering the dead body of her teenage daughter's lover, a housewife takes desperate measures to protect her family from scandal.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  13. The Shed (2019)

    The story of Stan, an orphaned teenager stuck living with his abusive grandfather and tasked with routinely protecting his best friend from high school bullies. When Stan discovers a murderous creature has taken refuge inside the tool shed in his backyard, he tries to secretly battle the demon alone until his bullied friend discovers the creature and has a far more sinister plan in mind.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  14. Cause for Alarm! (1951)

    A bedridden and gravely ill man believes his wife and doctor are conspiring to kill him, and outlines his suspicions in a letter.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  15. Bunny Lake Is Missing (1965)

    A woman reports that her young daughter is missing, but there seems to be no evidence that she ever existed.

    Why it matches: Recommended by TMDB viewers · both thriller

    Worth the HypeMovies like this
  16. No Name on the Bullet (1959)

    When hired killer John Gant rides into Lordsburg, the town's folk become paranoid as each leading citizen has enemies capable of using the services of a professional killer for personal revenge.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  17. Maniac (1963)

    When a stranger enters a quiet, country town and is seduced by a sensuous married woman he unwittingly finds himself at the centre of a storm of sexual guilt and murder.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  18. Nightfall (1956)

    An innocent man turns fugitive as he reconstructs events that implicate him for a murder and robbery he did not commit.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  19. Each Dawn I Die (1939)

    A corrupt D.A. with governatorial ambitions is annoyed by an investigative reporter's criticism of his criminal activities and decides to frame the reporter for manslaughter in order to silence him.

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this
  20. While the City Sleeps (1956)

    Newspaper men compete against each other to find a serial killer dubbed "The Lipstick Killer".

    Why it matches: Recommended by TMDB viewers · both thriller

    Popcorn FlickMovies like this

Like Alert and something else?

Blend two favourites and we’ll find the films in between.

Frequently asked questions

What are the best movies like Alert?

The closest matches to Alert are Black Widow (1987), Side Street (1950) and The Quiller Memorandum (1966). Below are 17 more, each with the reason it matches.

What should I watch after Alert?

Start with Black Widow (1987), the closest match to Alert.

What is the highest-rated movie like Alert?

Bunny Lake Is Missing (1965), rated 7.2/10 by 230 TMDB users.

What is the newest movie like Alert?

Ballistic (2026) is the most recent release on this list.

How are movies similar to Alert chosen?

First come films that Trakt’s viewers watch alongside Alert, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.

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