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Movies like If You Knew (2021)

The best movies like If You Knew (2021) are Hider in the House (1989), Attraction (2001) and Night of the Hunted (2023). If If You Knew hooked you, these 20 similar films are what to watch next, and every pick says why it matches.

Quick picks

  1. Hider in the House (1989)

    A deranged man hides in the attic of a new house and becomes obsessed with the unsuspecting family that moves in.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  2. Attraction (2001)

    A writer/radio advice show host fails to heed his own advice as he stalks his ex-girlfriend and then becomes involved with an actress friend of hers.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  3. Night of the Hunted (2023)

    When an unsuspecting woman stops at a remote gas station in the dead of night, she's made the plaything of a sociopath sniper with a secret vendetta. To survive, she must not only dodge his bullets and fight for her life, but also figure out who wants her dead and why.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  4. Someone's Watching Me! (1978)

    A young woman moves to a high-rise apartment building and soon begins to be tormented by an unknown stalker who seems to know her every move.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  5. The Last Client (2022)

    Renowned psychologist Susanne is caught in a living nightmare when her new client turns out to be a wanted serial killer.

    Why it matches: Recommended by TMDB viewers

    Worth the HypeMovies like this
  6. Look Away (2018)

    A timid and socially alienated 17-year-old high school student's life is turned upside down when she switches places with her sinister mirror image.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  7. No Good Deed (2014)

    Terri is a devoted wife and mother of two, living an ideal suburban life in Atlanta when Colin, a charming but dangerous escaped convict, shows up at her door claiming car trouble. Terri offers her phone to help him but soon learns that no good deed goes unpunished as she finds herself fighting for survival when he invades her home and terrorizes her family.

    Why it matches: Recommended by TMDB viewers

  8. The Caller (2011)

    Troubled divorcee Mary Kee is tormented by a series of sinister phone calls from a mysterious woman. When the stranger reveals she's calling from the past, Mary tries to break off contact. But the caller doesn't like being ignored, and looks for revenge in a unique and terrifying way...

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  9. Images (1972)

    While holidaying in Ireland, a pregnant children's author finds her mental state becoming increasingly unstable, resulting in paranoia, hallucinations, and visions of a doppelgänger.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  10. Everything, Everything (2017)

    A teenager who's lived a sheltered life because she's allergic to everything, falls for the boy who moves in next door.

    Why it matches: Recommended by TMDB viewers

    Worth the HypeMovies like this
  11. Spider (2002)

    A mentally disturbed man takes residence in a halfway house. His mind gradually slips back into the realm created by his illness, where he replays a key part of his childhood.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  12. The Voices (2014)

    A mentally unhinged factory worker must decide whether to listen to his talking cat and become a killer, or follow his dog's advice to keep striving for normalcy.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  13. Resurrection (2022)

    A woman's carefully constructed life is upended when an unwelcome shadow from her past returns, forcing her to confront the monster she's evaded for two decades.

    Why it matches: Recommended by TMDB viewers

  14. Seriously Single (2020)

    While her free-living bestie urges her to embrace singlehood, a commitment-craving social media expert can't stop following the life of a former love.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  15. Fight Club (1999)

    A ticking-time-bomb insomniac and a slippery soap salesman channel primal male aggression into a shocking new form of therapy. Their concept catches on, with underground "fight clubs" forming in every town, until an eccentric gets in the way and ignites an out-of-control spiral toward oblivion.

    Why it matches: Recommended by TMDB viewers

    Absolute CinemaMovies like this
  16. Watcher (2022)

    As a serial killer stalks the city, Julia — a young actress who just moved to town with her husband — notices a mysterious stranger watching her from across the street.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  17. The Invitation (2016)

    Will and his new girlfriend Kira are invited to a dinner with old friends at the house of Will’s ex Eden and her new partner David. Although the evening appears to be relaxed, Will soon gets a creeping suspicion that their charming host David is up to something.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  18. Ginger Snaps 2: Unleashed (2004)

    Brigitte has escaped the confines of Bailey Downs but she's not alone. Another werewolf is tailing her closely and her sister's specter haunts her. An overdose of Monkshood - the poison that is keeping her transformation at bay - leads to her being incarcerated in a rehabilitation clinic for drug addicts where her only friend is an eccentric young girl by the name of Ghost.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this
  19. Split (2017)

    Though Kevin has evidenced 23 personalities to his trusted psychiatrist, Dr. Fletcher, there remains one still submerged who is set to materialize and dominate all the others. Compelled to abduct three teenage girls led by the willful, observant Casey, Kevin reaches a war for survival among all of those contained within him — as well as everyone around him — as the walls between his compartments shatter apart.

    Why it matches: Recommended by TMDB viewers

    Worth the HypeMovies like this
  20. Fallen (2016)

    Lucinda Price is sent to a reform academy under the assumption that she has killed a boy. There, she meets two mysterious boys, Cam and Daniel, to whom she feels drawn to both. But as the love triangle unfurls, it is Daniel that Luce cannot keep herself away from, and things begin to take a darker turn when she finds out his true identity.

    Why it matches: Recommended by TMDB viewers

    Popcorn FlickMovies like this

Like If You Knew and something else?

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

Frequently asked questions

What are the best movies like If You Knew?

The closest matches to If You Knew are Hider in the House (1989), Attraction (2001) and Night of the Hunted (2023). Below are 17 more, each with the reason it matches.

What should I watch after If You Knew?

Start with Hider in the House (1989), the closest match to If You Knew.

What is the highest-rated movie like If You Knew?

Fight Club (1999), rated 8.4/10 by 33,319 TMDB users.

What is the newest movie like If You Knew?

Night of the Hunted (2023) is the most recent release on this list.

How are movies similar to If You Knew chosen?

First come films that Trakt’s viewers watch alongside If You Knew, 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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