Horror films tend to stick with the audience, regardless of whether it's the sadness that's being explored Hereditary, the lingering fear of The shining, or paranoia The Thing. However, some of the most disturbing films do not technically belong in the horror genre. Instead, psychological thrillers often trade monsters and jumpscares for uncertainty, which can be far more uncomfortable, and they successfully confront viewers with some unsettling realities.
Instead of relying on blood or supernatural threats, the best psychological thrillers are just as unsettling as they create fear through paranoia, obsession, and the terrifying possibility that no one is telling the truth. The result can be as disturbing as any good horror film, with plenty of psychological thrillers lingering in viewers' minds long after the credits roll.
5
Coherence (2013) Will Haunt You
At first glance, Coherence appears to be a deceptively simple film. Eight friends meet for a dinner party the night Miller's comet passes Earth, and a sequence of bizarre events begin to unfold around them. Power outages spread throughout the area, cell phones start behaving strangely, and the gang discovers that the house across the street may not be as empty as they once thought. The awkward dinner drama quickly turns into a tense existential horror.
Coherence slowly dissolving the audience's understanding of reality alongside its characters, creating an atmosphere of paranoia and fear that only grows worse as the night wears on. In the last act, Coherence feels less like a low-budget sci-fi thriller and more like a nightmare about identity, choice, and losing your place in life. Just like The thing, cohesion turns ordinary people into sources of paranoia, and much of the like Invasion of the Body Snatchers, it creates horror from the possibility that somehow everything has changed while still looking normal. It's surprising how little Coherence shows, but it works exceptionally well, and the result is a deeply disturbing watch that rivals the best horror films.
4
Watcher is a nerve-wracking viewing experience
After moving to Bucharest with her husband for his new job, Maika Monroe's Julia finds herself isolated in an unfamiliar city where she doesn't speak the language and doesn't know anyone. Her discomfort grows as she begins to suspect that the man who lives in the apartment building opposite is secretly watching her from his window. And with reports emerging that a serial killer is targeting women in the city, Julia becomes increasingly convinced that someone is after her. All off Watchers terror comes from powerlessness rather than violence.
Likewise a lot of Watcher's tension stems from whether anyone will believe Julia if she is in fact in danger. Director Chloe Okuno builds an extraordinary amount of tension from lingering gazes, empty spaces, and general uncertainty, creating a film that feels spiritually closer to classics like Rosemary's baby than many modern thrillers. The result is one of the most nerve-wracking viewing experiences of the decade, and it's a must for horror fans.
3
The excitement is almost unbearable in the invitation
Invitation (2015) follows Will as he attends a dinner party hosted by his ex-wife Eden and her new husband David, several years after the death of their young son. As the evening progresses, Will becomes convinced that something is wrong with the gathering, but everyone dismisses his concerns as sadness, paranoia, or unrequited feelings for his ex. The genius of Invitation lies in how it weaponizes social anxiety. Every awkward conversation, strange interaction, and awkward silence forces viewers to question whether Will is reading the room correctly or whether he's projecting.
The tension of the film becomes unbearable long before Invitation ever reveals his hand. Similar Hereditary, Invitation explores how trauma can affect the way a person processes the world around them and slowly reveals how the truth can be far more terrifying than anyone ever imagined. There are no monsters or supernatural forces, but the thriller captures one of horror's most successful ideas by exploring the fear of being surrounded by people you can't trust.
2
The gift has a uniquely disturbing ending
Joel Edgerton's directorial debut came in 2015 with the gift, starring Jason Bateman and Rebecca Hall. The film follows Simon and Robyn, a married couple whose lives are turned upside down when they meet Simon's high school friend. Gordo starts showing up unexpectedly and leaving presents at their house, and while it seems that Simon's acquaintance is just overzealous and awkward, The gift soon makes it clear that there is much more history between the two men than Simon first admits.
Like the best psychological thrillers, The gift constantly asking the audience to reconsider which characters to root for. Characters who initially seem harmless are revealed as threatening, while characters who seem trustworthy eventually become more difficult to defend. Instead of building towards a traditional confrontation, The gift becomes increasingly interested in guilt, consequences and the harm people can inflict on each other. Towards the end, the psychological thriller leaves the same lingering unease as the best horror films, but not because of what actually appears on the screen. With terrific performances from its central role, The gift actually bothers viewers more with what it means.
1
The fewer viewers know about the commotion before they watch, the better
Rebecca Hall delivers one of her best performances as Margaret in Stir, a successful businesswoman whose carefully controlled life begins to unravel when a man from her past resurfaces. Margaret is immediately convinced that his return threatens both her and her daughter, but the people around her struggle to understand the depth of her fear or the nature of their shared history. Stir is the kind of movie that works best when you know as little as possible about it.
The tense, psychological drama evolves into something much darker, stranger and more disturbing. Hall's portrayal of Margaret perfectly captures the character's simultaneous terror, anger and vulnerability, giving the film much of its power through her insecurities and raw emotions. As the credits roll, Hall's performance and Stir'The plot will continue to haunt viewers, and it's a shame that the psychological thriller was so overlooked when it was released in 2022.