Movies Like If You Knew

If you liked If You Knew (2021), a movie directed by Nicolai G.H. Johansen, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Hider in the House (1989)
★ 6.2/10
A deranged man hides in the attic of a new house and becomes obsessed with the unsuspecting family that moves in.
2
The Last Client (2022)
★ 7.2/10
Renowned psychologist Susanne is caught in a living nightmare when her new client turns out to be a wanted serial killer.
3
Night of the Hunted (2023)
★ 6.1/10
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…
4
Attraction (2001)
★ 6.9/10
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.
5
No Good Deed (2014)
★ 5.9/10
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…
6
Look Away (2018)
★ 6.6/10
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.
7
Someone's Watching Me! (1978)
★ 6.2/10
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.
8
Lover, Stalker, Killer (2024)
★ 6.8/10
In this twisting documentary, a mechanic tries online dating for the first time and meets a woman who takes romantic obsession to a deadly extreme.
9
Everything, Everything (2017)
★ 7.2/10
A teenager who's lived a sheltered life because she's allergic to everything, falls for the boy who moves in next door.
10
Seriously Single (2020)
★ 6.8/10
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.
11
The Voices (2014)
★ 6.3/10
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.
12
Fight Club (1999)
★ 8.4/10
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…
13
The Invitation (2016)
★ 6.4/10
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…
14
Watcher (2022)
★ 6.5/10
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.
15
The Caller (2011)
★ 6.2/10
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…
16
Spider (2002)
★ 6.6/10
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.
17
Split (2017)
★ 7.3/10
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…
18
Fallen (2016)
★ 6.1/10
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…
19
Ginger Snaps 2: Unleashed (2004)
★ 6.5/10
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…
20
Promising Young Woman (2020)
★ 7.4/10
A young woman, traumatized by a tragic event in her past, seeks out vengeance against those who crossed her path.