15 Movies About Cults That Will Leave You Deeply Unsettled

The allure of cults lies not in their rituals or leaders, but in the insidious way they unravel the human psyche. These groups prey on vulnerability, promising belonging while enforcing isolation and control. Cinema has long captured this terror, transforming real-world horrors into nightmares that linger long after the credits roll. From slow-burn psychological dread to visceral shocks, the films on this list masterfully evoke the suffocating grip of fanaticism.

What makes a cult movie truly unsettling? We prioritised those that plunge deep into the mechanics of manipulation—gaslighting, love-bombing, enforced obedience—and pair it with atmospheric tension or unflinching realism. Rankings reflect escalating unease: from intriguing setups at number 15 to outright paralysing experiences at number 1. Selections span decades, blending classics with modern indies, all chosen for their ability to mirror the disorientation of cult life without relying on cheap jump scares.

These are not mere thrillers; they are dissections of faith twisted into tyranny. Directors like Ari Aster and Robin Hardy wield folklore and folklore-adjacent dread to expose how ordinary people surrender to the extraordinary. Prepare to question your own loyalties as we count down the 15 most deeply unsettling cult films.

1. Colonia (2015)

   Florian Gallenberger’s Colonia transplants the real-life horrors of Chile’s Colonia Dignidad sect into a taut thriller. Starring Emma Watson as Lena, a flight attendant drawn into the group’s orbit amid 1970s political turmoil, the film contrasts her idealism with the sect’s brutal authoritarianism. Paul Schäfer’s real cult, disguised as a humanitarian enclave, hid atrocities under religious zeal—a foundation Gallenberger uses to build palpable claustrophobia.

   The production shot on location in lush German forests, mirroring the sect’s deceptive paradise, while stark interiors amplify the sense of entrapment. Watson’s performance captures the incremental erosion of will, making every coerced prayer feel like a personal violation. Unsettling in its historical fidelity, it ranks here for blending romance with repression, reminding us cults thrive in chaos.^[1]

   Its legacy endures in discussions of state-sanctioned cults, influencing films like The Sect (2024). Yet Colonia‘s restraint heightens the dread: no gore, just the quiet horror of complicity.

2. Faults (2014)

   Riley Stearns’ debut Faults flips the deprogramming narrative into a blackly comic nightmare. Leland Orser plays Ansel, a faded cult expert hired to extract Claire (Mary Elizabeth Winstead) from a mysterious group. What begins as procedural unravels into a battle of wits, with Stearns’ minimalist style—long takes, sparse dialogue—mirroring the mental fog of indoctrination.

   Winstead’s portrayal of fractured devotion is riveting; her wide-eyed serenity masks a weaponised innocence. Shot in just 25 days on a micro-budget, the film’s motel confinement evokes real isolation techniques. It unsettles by questioning the rescuers: are they saviours or just rival manipulators? This meta-layer elevates it beyond genre tropes.

   Culturally, it nods to 1970s deprogramming scandals, offering fresh insight into post-exit trauma. A sleeper hit at festivals, Faults proves subtlety slices deepest.

3. Starry Eyes (2014)

   Kevin Kölsch and Dennis Widmyer’s Starry Eyes twists Hollywood ambition into a Satanic ladder-climb. Alex Essoe’s Sarah, a desperate actress, joins a shadowy studio cabal promising stardom. The film’s body horror escalates from subtle mutations to grotesque revelations, all underscored by a synth score evoking 1980s excess.

   Production drew from real industry abuse stories, with practical effects amplifying the visceral cost of surrender. Essoe’s transformation—from ingénue to zealot—is a masterclass in descent, her ecstasy in rituals profoundly disturbing. It ranks for its allegory: cults as metaphors for fame’s devouring hunger.

   Critics praised its unsparing gaze; Fangoria called it “a star-is-born nightmare.”^[2] In a post-#MeToo world, its prescience chills.

4. The Sacrament (2013)

   Ti West’s found-footage chiller The Sacrament fictionalises Jonestown with unflinching verité. AJ Bowen leads VICE-style journalists into a utopian commune led by a Patrick Schwarzenegger-like patriarch (Gene Jones). West’s static-cam approach immerses viewers in the escalating paranoia, from idyllic sing-alongs to cyanide inevitability.

   Filmed in single takes to mimic documentary rawness, it captures the mass delusion’s momentum. Jones’ mesmerising menace—part preacher, part predator—echoes Jim Jones’ charisma. Unsettling for its basis in truth, it forces confrontation with how rhetoric radicalises.

   A divisive Sundance entry, it endures as a cautionary reel, blending horror with journalistic ethics.

5. Sound of My Voice (2011)

   Zal Batmanglij’s Sound of My Voice thrives on ambiguity. Brit Marling’s enigmatic leader, Maggie, claims time-travel origins, drawing a filmmaker couple (Christopher Denham, Nicole Vicius) into her fold. The garage meetings build hypnotic intimacy, Batmanglij’s script dissecting belief’s slippery slope.

   Marling co-wrote, infusing authenticity from fringe group research. Her performance—vulnerable yet commanding—leaves you doubting reality. Low-budget ingenuity heightens the personal stakes, making every revelation a gut-punch.

   It probes modern cults’ DIY ethos, influencing The OA. Unsettlingly open-ended, it haunts with ‘what ifs’.

6. Martha Marcy May Marlene (2011)

   Sean Durkin’s Martha Marcy May Marlene blurs escape and entrapment. Elizabeth Olsen debuts as Martha, fleeing a Catskills cult only to fracture under PTSD. Intercut timelines—idyllic farm horrors versus suburban unease—erode temporal security.

   Durkin’s research with ex-members yields chilling authenticity: communal baths, Patrick (John Hawkes)’s predatory grooming. Olsen’s raw vulnerability earned Indie Spirit nods. Its sound design—distant chants bleeding into reality—amplifies paranoia.

   A festival darling, it redefined cult trauma cinema, echoing in The Act.

7. Kill List (2011)

   Ben Wheatley’s Kill List spirals from domestic drama to folk nightmare. Neil Maskell’s Jay takes a hitman job leading to pagan zealots. Genre-blending—crime to horror—mirrors cult assimilation’s disorientation.

   Wheatley’s improv-heavy shoot in chilly England fosters unease. Maskell’s bottled rage explodes authentically. Unsettling pagan undercurrents subvert expectations, culminating in folkloric dread.

   Hailed by Mark Kermode as “masterful,”^[3] it bridges kitchen-sink realism and occult terror.

8. Red State (2011)

   Kevin Smith’s Red State unleashes on fundamentalist militias. Teens lured to a compound face Michael Parks’ venomous pastor. Smith’s action-horror hybrid critiques zealotry with gusto.

   Filmed in 26 days, Parks’ improvised sermons mesmerise. It ranks for blending satire with slaughter, exposing faith’s weaponisation.

   Polarising yet prophetic post-January 6th, its auction premiere lore adds meta-layer.

9. The Master (2012)

   Paul Thomas Anderson’s The Master loosely channels Scientology via Lancaster Dodd (Philip Seymour Hoffman). Joaquin Phoenix’s Freddie Quell embodies the broken recruit. Languid pacing dissects codependence.

   Anderson’s 70mm visuals evoke post-war longing. Hoffman’s paternal menace and Phoenix’s feral tics clash hypnotically. Unsettling in its ambiguity—is Dodd charlatan or sage?

   Oscar-buzzed, it probes charisma’s dark pull.

10. The Invitation (2015)

    Karyn Kusama’s The Invitation turns dinner parties toxic. Logan Marshall-Green’s Will attends his ex’s cultish soiree. Slow-burn suspicion builds via micro-aggressions.

    Kusama’s house arrest setup maximises intimacy. Marshall-Green’s coiled rage anchors the dread. It excels in gaslighting realism.

    A Netflix sleeper, praised for “nail-biting restraint.”^[4]

11. Mandy (2018)

    Panos Cosmatos’ Mandy unleashes psychedelic vengeance on a Nicolas Cage-starring cult. The Black Skulls’ Jesus freak mania devolves into acid-folk apocalypse.

    Jóhann Jóhannsson’s score and Cosmatos’ saturated visuals overwhelm. Cage’s primal grief elevates cult satire to operatic fury.

    Cult favourite for its unhinged aesthetic.

12. Apostle (2018)

    Gareth Evans’ Apostle

    pits Dan Stevens against a 1905 island cult worshipping a blood goddess. Folk-horror gore meets colonial critique.

    Evans’ raid-honed action amplifies rituals. Stevens’ fanatic arc terrifies. Netflix’s budget enables visceral effects.

    Comparisons to Midsommar abound; its mud-and-faith horror grips.

13. The Wicker Man (1973)

    Robin Hardy’s The Wicker Man endures as pagan dread blueprint. Edward Woodward’s sergeant infiltrates Summerisle’s fertility cult. Folk songs mask menace.

    Christopher Lee’s lordly villainy shines. Shot in Scotland, its sunny horror subverts expectations.

    Influential, yet final twist scars eternally.

14. Rosemary’s Baby (1968)

    Roman Polanski’s Rosemary’s Baby paranoia masterpiece. Mia Farrow’s maternity nightmare amid coven neighbours. Urban isolation chills.

    Polanski’s New York claustrophobia and Farrow’s fragility define unease. Adapted from Levin’s novel, it tapped 1960s fears.

    Timeless in women’s autonomy horrors.

15. Midsommar (2019)

    Ari Aster’s Midsommar daylight folk-horror pinnacle. Florence Pugh’s Dani joins a Swedish commune post-tragedy. Bright visuals heighten emotional gore.

    Aster’s grief-cult fusion devastates. Pugh’s breakdown catharsis unnerves. Hårga’s rituals feel lived-in.

    Definitive for modern cult cinema’s psychological abyss.