Movies Like Non Compos Mentis (Not of Sound Mind)

If you liked Non Compos Mentis (Not of Sound Mind) (2003), a horror movie directed by John Ellis, 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
Vicious (2025)
★ 6/10Also horror
When Polly receives a mysterious box, it comes with one rule: place inside something she needs, something she hates, and something she loves. If she doesn’t obey, it will consume everything—and everyone—she’s ever known.
2
Dead of Winter (1987)
★ 6/10Also horror
A fledgling actress is lured to a remote mansion for a screen-test, soon discovering she is actually a prisoner in the middle of a blackmail plot.
3
The Town that Dreaded Sundown (2014)
★ 5.9/10Also horror
A masked maniac terrorizes the same small community where a murderer known as the Phantom Killer struck decades earlier.
4
Monkey’s Magic Merry Go Round (2026)
★ 7.6/10Also horror
After a mysterious bout of amnesia, a beloved children’s television host struggles to piece together his fractured memories, only to find his once-cheerful puppet co-stars behaving with sinister intent. As reality…
5
The Deliverance (2024)
★ 6/10Also horror
Ebony Jackson, a struggling single mother fighting her personal demons, moves her family into a new home for a fresh start. But when strange occurrences inside the home raise the suspicions of Child Protective Services…
6
Bloodline Killer (2024)
★ 5.9/10Also horror
Moira Cole endeavors to rebuild her shattered life after her family's murder at the hands of her deranged and obsessed cousin.
7
The Haunting of Alcatraz (2020)
★ 6.5/10Also horror
Alcatraz. 1937. A young prison guard working the night shift experiences a string of chilling disturbances culminating in the bizarre death of an inmate at the most famous prison in the world
8
Abduction (2019)
★ 6.1/10Also horror
A man steps out of a park fountain in Ho Chi Minh City with no recollection of who he is or where he came from. As he wanders through the city, piecing together clues to his past, he is relentlessly pursued by…
9
Dust Bunny (2025)
★ 6.7/10Also horror
Ten-year-old Aurora asks her hitman neighbor to kill the monster under her bed that she claims ate her family. To protect her, he must battle an onslaught of assassins while accepting that some monsters are real.
10
Succubus (2024)
★ 8.3/10Also horror
A new father going through a marital separation joins a dating app and matches with a beautiful but mysterious young woman... whose powers of seduction and manipulation entangle him in a mystery more horrifying than he…
11
Dark Light (2019)
★ 6.2/10Also horror
A woman returns to her family home and discovers it to be inhabited by monsters.
12
The Boy Behind the Door (2020)
★ 6.2/10Also horror
Bobby tries to save himself and his best friend when they are kidnapped on their way home from school.
13
Hellraiser (2022)
★ 6.2/10Also horror
A young woman struggling with addiction comes into possession of an ancient puzzle box, unaware that its purpose is to summon the Cenobites, a group of sadistic supernatural beings from another dimension.
14
Never Let Go (2024)
★ 6.1/10Also horror
As an evil takes over the world beyond their front doorstep, the only protection for a mother and her twin sons is their house and their family’s protective bond.
15
The Curse of Buckout Road (2017)
★ 6.6/10Also horror
A college class project on creation and destruction of modern myth, turns terrifying when a trio of young people come to realize the urban legends surrounding the famed Buckout Road may, in fact, be REAL.
16
Nightmare Cinema (2018)
★ 5.8/10Also horror
A series of down-on-their-luck individuals enter the decrepit and spine-chilling Rialto theater, only to have their deepest and darkest fears brought to life on the silver screen by The Projectionist – a mysterious…
17
The Last Breath (2024)
★ 6/10Also horror
A group of old college friends reunite on a Caribbean scuba diving trip exploring the wreckage of a WWII battleship and find themselves trapped inside the underwater labyrinth of rusted metal surrounded by great white…
18
The Wailer (2006)
★ 6.7/10Also horror
On their way to Mexico, six students are stranded in a small town where years before a tragedy took place.
19
Play Dead (2022)
★ 6.1/10Also horror
Criminology student Chloe fakes her own death to break into a morgue, in order to retrieve a piece of evidence that ties her younger brother to a crime gone wrong. Once inside, she discovers that a sadistic coroner is…
20
The Return (2020)
★ 6.7/10Also horror
After the death of his father, a brilliant college student returns to his family home where he learns that the horrors from his childhood aren't as dead and gone as he once thought.