Movies Like The Girl Who Knew Too Much
If you loved The Girl Who Knew Too Much's Horror and Thriller storytelling, these films deliver a similar experience — carefully selected for tone, themes, and emotional depth. Each pick includes where to watch it right now.
★ Top Picks

Tenebre
A razor-wielding serial killer is on the loose, murdering those around Peter Neal, an American mystery author in Italy to promote his newest novel.

Your Vice Is a Locked Room and Only I Have the Key
Oliviero is a drunk, burned-out writer who amuses himself by hosting orgies at his grand country manor and humiliating his wife Irina. When a number of women are murdered in grisly fashion, Oliviero becomes a prime suspect.

The Girl Who Got Away
A female serial killer who killed four young girls is sent away to prison, but a fifth victim escaped with her life. Twenty years later, the killer escapes and begins hunting for the one who got away.

Mindcage
Detectives Jake Doyle and Mary Kelly seek the help of an incarcerated serial killer named The Artist when a copycat killer strikes. While Mary searches for clues in The Artist's brilliant but twisted psyche, she and Jake are lured into a diabolical game of cat and mouse, racing against time to stay one step ahead of The Artist and his copycat.

The Bird with the Crystal Plumage
An American writer living in Rome witnesses an attempted murder that is connected to an ongoing killing spree in the city and conducts his own investigation, despite he and his girlfriend being targeted by the killer.

The Hideout
A mystery-thriller about an Italian woman who moves to Davenport to open a restaurant. After her husband commits suicide, she spends fifteen years recovering at a Minnesota mental hospital. When she builds herself up enough to begin another restaurant, she discovers that a murder took place there fifty years earlier. She decides to investigate and finds a secret plot.

Islands
In this twisty thriller, a tennis coach at a tropical resort finds himself at the center of a missing persons mystery. Tom teaches tennis during the day and parties at night. When an enigmatic tourist arrives, Tom is unable to shake the feeling he has met her before. Tension and attraction grow, until her husband disappears, and the police suspect Tom.

Into the Labyrinth
When a kidnapping victim turns up alive after fifteen years, a profiler and a private investigator try to piece together the mystery.
More Movies Like The Girl Who Knew Too Much

Autopsy
A series of random suicides in Rome, Italy are attributed to a heatwave, but a young pathologist named Simona—who is working on a thesis about murders disguised as suicides—suspects otherwise. When a young girl associated with Simona's playboy father ends up dead in another apparent suicide, Simona teams up with the girl's priest brother to prove she was murdered and track down the unknown serial killer.

The Body
Rich entrepreneur Rebecca Zuin has died from an alleged heart attack, raising suspicions on the part of a police inspector after her body disappears from the morgue. When her handsome young husband becomes a suspect, he starts thinking she may have faked her death to sadistically torment him.

What Have You Done to Solange?
After several Catholic school pupils are murdered, a teacher who is having an affair with one of his students becomes a suspect. When other gruesome murders start occurring shortly thereafter, the teacher suspects that he may be the cause of them.

Night Watch
A woman recovering from a nervous breakdown tries to convince her husband and and the local London police that she has witnessed a murder in the abandoned house next door.

Sleepless
An elderly and retired police detective and a young amateur sleuth team up to find a serial killer whom has resumed a killing spree in Turin, Italy after a 17-year hiatus.

All the Devils Are Here
After a heist, four criminals lay low in a remote safehouse, waiting for orders. As paranoia builds, one thing becomes clear — the real threat may not be outside, but among them.

Compulsion
Two women—Diana, a flamboyant and ruthless thief, and Evie, a seemingly innocent young woman with a troubled past—become embroiled in a series of horrific murders on the island of Malta.

Evil Under the Sun
An opulent beach resort provides a scenic background to this amusing whodunit as Poirot attempts to uncover the nefarious evildoer behind the strangling of a notorious stage star.

Body Cam
As a police officer investigates the gruesome murder of her colleague, she discovers that a mysterious supernatural force is behind it.

Thursday
A former Los Angeles drug dealer moves far away to Texas, making a new life for himself as a married architect in the suburbs. His old crime partner unexpectedly shows up with heroin and gangster business, attracting a slew of violent unsavory characters.

Asylum
A woman becomes very curious about one of her psychiatrist husband's inmates, a man who was found guilty in the murder and disfigurement of his former wife.
Why These Movies Are Similar
These recommendations share core qualities with The Girl Who Knew Too Much (1963): Horror and Thriller themes, similar narrative structure, and comparable emotional depth. NoBadPicks uses a combination of TMDB collaborative filtering, genre matching, and AI analysis to surface films most likely to resonate with fans of The Girl Who Knew Too Much.
See full details for The Girl Who Knew Too Much (1963)
