Movies Like Side Effects

If you liked Side Effects (2026), a horror movie directed by Robin Oldaker, 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
The Dreadful (2026)
★ 5.9/10Also horror
In medieval England, Anne and her domineering mother-in-law Morwen struggle to survive on the outskirts of society. But when a man from Anne's past returns from war, a curse begins to take shape through a mysterious…
2
The Fall of the House of Usher (1928)
★ 6.8/10Also horror
Convinced that his family is tainted by generations of evil, Roderick Usher is hellbent on stopping his sister Madeline’s wedding to prevent the cursed Usher bloodline from expanding. When her nameless traveller fiancé…
3
Dangerous Game: The Legacy Murders (2022)
★ 6/10Also horror
A family reunion at a remote mansion takes a lethal turn when they are trapped inside and forced to play a deadly survival game where only one will make it out alive.
4
Play Dead (2025)
★ 6.3/10Also horror
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.
5
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…
6
The Hunt (2020)
★ 6.7/10Also horror
Twelve strangers wake up in a clearing. They don't know where they are—or how they got there. In the shadow of a dark internet conspiracy theory, ruthless elitists gather at a remote location to hunt humans for sport…
7
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.
8
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.
9
Night of the Living Dead (1990)
★ 6.9/10Also horror
A ragtag group barricade themselves in an old Pennsylvania farmhouse to remain safe from a horde of flesh-eating ghouls ravaging the Northeast.
10
Containment (2015)
★ 5.9/10Also horror
Neighbors in a block wake one morning to find they have been sealed inside their apartments. Can they work together to find out why? Or will they destroy each other in their fight to escape?
11
Bloodline Killer (2024)
★ 6/10Also horror
Moira Cole endeavors to rebuild her shattered life after her family's murder at the hands of her deranged and obsessed cousin.
12
Year 10 (2024)
★ 6.2/10Also horror
After the fall of civilization, the few survivors have been driven to cannibalism. A young man must confront a violent tribe that has murdered his father and stolen the medicine that keeps his girlfriend alive.
13
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.
14
They Reach (2020)
★ 6.8/10Also horror
In 1979, a young girl stumbles upon a possessed tape player. She unknowingly unleashes a demonic entity that haunts her family while slowly dragging the small town of Clarkston to Hell.
15
Mikey (1992)
★ 5.8/10Also horror
Mikey just needs a good stable home. He's bounced from foster home to foster home his whole life. He finally lands himself with a new loving family, but their perfect little child is not what he appears to be. His…
16
Bunnyman Vengeance (2017)
★ 6.2/10Also horror
The man known as Bunnyman returns home to find his family running a haunted house attraction. The family welcomes him home, but soon realizes you cannot domesticate a wild animal. Death and mayhem ensue as the family…
17
Frank and Penelope (2022)
★ 7.3/10Also horror
A tale of love and violence when a man on his emotional last legs finds a savior seductively dancing in a run-down strip club. And a life most certainly headed off a cliff suddenly becomes redirected - as everything is…
18
Cheat (2023)
★ 7.1/10Also horror
On the surface it's believed to be another urban legend - a supernatural being from the afterlife is violently killing anyone who cheats on their significant other in the small college town of Silvercreek…
19
Dark Harvest (2023)
★ 6.1/10Also horror
In a small Midwestern town, a deadly annual ritual unfolds when the mythical nightmare, Sawtooth Jack, rises from the cornfields and challenges the town’s teenage boys in a bloody battle of survival.
20
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…