Movies like Harmless
The best movies like Harmless are Cult Killer (2024), Mindcage (2022) and Manhattan Murder Mystery (1993). If Harmless hooked you, these 20 similar films are what to watch next, and every pick says why it matches.
Harmless
Quick picks
- Highest ratedManhattan Murder Mystery (1993)7.3/10 from 1,223 votes
- NewestPsycho Therapy: The Shallow Tale of a Writer Who Decided to Write About a Serial Killer (2025)Released 2025
Cult Killer (2024)
A private investigator is forced into a dangerous alliance with a killer in order to uncover a quiet town’s grisly criminal underbelly and clear the name of her mentor, who is implicated in the crimes.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisMindcage (2022)
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.
Why it matches: Recommended by TMDB viewers
SnoozefestMovies like thisManhattan Murder Mystery (1993)
A middle-aged couple suspects foul play when their neighbor's wife suddenly drops dead.
Why it matches: Recommended by TMDB viewers
Worth the HypeMovies like thisFaces in the Crowd (2011)
Anna is living with "face-blindness" after surviving a serial killer's attack. As she lives with her condition, one in which facial features change each time she loses sight of them, the killer closes in.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisDisturbia (2007)
Kale has a life most teenagers would envy. He spends his days endlessly playing video games, surfing the net, eating junk food and watching cable. He has complete free reign of the house, and a beautiful young hottie named Ashley has just moved in next door. There’s only one problem—he’s not allowed to leave the house. Kale’s under court-ordered house arrest for three months, and if he takes one step beyond a 100-foot perimeter of the house, his next confinement will be in a real prison.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisStrange Darling (2024)
Nothing is what it seems when a twisted one-night stand spirals into a serial killer’s vicious murder spree.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisThe Good Neighbor (2016)
Two high school filmmakers decide to create the illusion of a haunting on an unsuspecting neighbor.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisPsycho Therapy: The Shallow Tale of a Writer Who Decided to Write About a Serial Killer (2025)
A struggling writer in the midst of a divorce befriends a retired serial killer who incidentally becomes his marriage counselor by day, and killing counselor for his next book by night.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisThe Blue Gardenia (1953)
Upon waking up to the news that the man she’d gone on a date with the previous night has been murdered, a young woman with only a faint memory of the night’s events begins to suspect that she murdered him while attempting to resist his advances.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisThe Stranger (2022)
Two strangers strike up a conversation on a long journey. However, neither is who they appear to be, each carry secrets that threaten to ruin them — and in the background, one of the nation's largest police operations is closing in.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisRighteous Kill (2008)
Two veteran New York City detectives work to identify the possible connection between a recent murder and a case they believe they solved years ago; is there a serial killer on the loose, and did they perhaps put the wrong person behind bars?
Why it matches: Recommended by TMDB viewers
SnoozefestMovies like thisAshby (2015)
When new kid in town Ed Wallis is given an assignment to interview an older person, he turns to his mysterious neighbor, Ashby Holt for help. That new connection leads to unexpected journeys for both of them, as Ashby – who turns out to be a retired CIA assassin – deals with a terminal prognosis, and Ed deals with adjusting to life with his newly single mom and developing relationship with a brainy classmate, Eloise.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisPlay Dead (2025)
A woman wakes up injured in a basement surrounded by corpses. To survive, she pretends to be dead while a grotesque ritual unfolds in the house above.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisDead Man Down (2013)
In New York City, a crime lord's right-hand man is seduced by a woman seeking retribution.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisKeeping Up with the Joneses (2016)
An ordinary suburban couple finds it’s not easy keeping up with the Joneses – their impossibly gorgeous and ultra-sophisticated new neighbors – especially when they discover that Mr. and Mrs. “Jones” are covert operatives.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisBlood Work (2002)
Still recovering from a heart transplant, a retired FBI profiler returns to service when his own blood analysis offers clues to the identity of a serial killer.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisLittle Secrets (2002)
Emily is a plucky preteen who is entrusted with her young neighbors' most private and cherished secrets. Every Wednesday, Emily sets up a booth in her backyard that regularly attracts the guilty young souls of the neighborhood. These include Philip, whose clumsiness and his interest in Emily make him a challenging client. But complications ensue when she suddenly finds it difficult to keep all of her neighbors' secrets to herself.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisTaking Lives (2004)
Recruited to assist Montreal police in their desperate search for a serial killer who assumes the identities of his victims, FBI profiler Illeana Scott knows it's only a matter of time before the killer strikes again. Her most promising lead is a museum employee who might be the killer's only eyewitness.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like thisThe Calling (2014)
Detective Hazel Micallef hasn't had much to worry about in the sleepy town of Port Dundas until a string of gruesome murders in the surrounding countryside brings her face to face with a serial killer driven by a higher calling.
Why it matches: Recommended by TMDB viewers
SnoozefestMovies like thisCopycat (1995)
An agoraphobic psychologist and a female detective must work together to take down a serial killer who copies serial killers from the past.
Why it matches: Recommended by TMDB viewers
Popcorn FlickMovies like this
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Frequently asked questions
What are the best movies like Harmless?
The closest matches to Harmless are Cult Killer (2024), Mindcage (2022) and Manhattan Murder Mystery (1993). Below are 17 more, each with the reason it matches.
What should I watch after Harmless?
Start with Cult Killer (2024), the closest match to Harmless.
What is the highest-rated movie like Harmless?
Manhattan Murder Mystery (1993), rated 7.3/10 by 1,223 TMDB users.
What is the newest movie like Harmless?
Psycho Therapy: The Shallow Tale of a Writer Who Decided to Write About a Serial Killer (2025) is the most recent release on this list.
Are there English movies like Harmless?
Yes: Cult Killer (2024), Mindcage (2022) and Manhattan Murder Mystery (1993).
How are movies similar to Harmless chosen?
First come films that Trakt’s viewers watch alongside Harmless, then TMDB’s recommendations and films it rates as similar in story and genre. Each pick says which signal put it there.