


DANA POLK
Played by: Kristen Connolly
Function: The Virgin
Dana begins as the quiet centre of the group — thoughtful, wounded, still recovering from a relationship that left her doubting her own judgement. She isn’t naïve, but she is open, and that openness is what the ritual exploits. As the weekend unfolds, she becomes the reluctant witness to the truth: the manipulation, the monsters, the machinery beneath the world. Her journey is one of dawning awareness, moving from confusion to horror to a grim understanding of the choice placed before her. By the end, she stands at the threshold of the ritual’s final act, torn between survival and the terrible cost demanded of her.

JULES LOUDEN
Played by: Anna Hutchison
Function: The Whore
Jules is bright, warm, and playful — a young woman who should have been allowed to enjoy her life without interference. Instead, she is chemically pushed into a caricature of herself, her impulses heightened and her agency stripped away. Her transformation is one of the clearest signs of the organisation’s influence: a deliberate reshaping of personality to fit an ancient script. Her death is brutal and ritualistically necessary, the first offering that sets the pattern in motion.

CURT VAUGHAN
Played by: Chris Hemsworth
Function: The Athlete
Curt is confident, intelligent, and protective — far more thoughtful than the role he is forced into. The organisation suppresses his academic instincts and amplifies his aggression, turning him into the archetype they require. His journey is marked by increasing frustration as the forest closes around them and every attempt at leadership is thwarted. His final act — the desperate motorcycle jump — is a moment of pure courage twisted into tragedy by the invisible barrier that seals their fate.

HOLDEN McCREA
Played by: Jesse Williams
Function: The Scholar
Holden is gentle, observant, and quietly steady. He forms a tentative connection with Dana, offering her a sense of safety in the midst of growing unease. Like Curt, he is nudged into an archetype that doesn’t quite fit him, his calm demeanour sharpened into something more studious and analytical. His death is sudden and shocking, a reminder that the ritual cares nothing for potential or kindness — only for order.

MARTY MIKALSKI
Played by: Fran Kranz
Function: The Fool
Marty is the anomaly — the one who sees the strings. His paranoia, often dismissed as comic relief, becomes the key to understanding the truth. His cannabis use shields him from the organisation’s chemical manipulation, allowing him to notice the surveillance, the inconsistencies, the cracks in the façade. His journey is one of revelation: from the friend no one takes seriously to the only person capable of breaking the ritual. His refusal to die on command is the act that unravels everything.


MR. GARY SITTERSON
Played by: Richard Jenkins
Function: Senior Operator
Sitterson is weary, competent, and disturbingly comfortable with the ritual’s brutality. He treats the process like a job — one with high stakes, yes, but still a job. His journey is a slow slide from routine professionalism into panic as the ritual begins to fail. Beneath his dry humour lies a man who believes deeply in the necessity of what he does, even as the system collapses around him.

MR. STEVE HADLEY
Played by: Bradley Whitford
Function: Co-Operator
Hadley balances technical expertise with a dark, sardonic wit. He takes pride in the ritual’s precision, treating each year like a puzzle to be solved. His frustration at Japan’s success and his delight at the Mer‑Man reveal a man who has spent too long in the shadows of this work. His journey ends in disbelief as the monsters he once controlled tear through the facility.

DANIEL TRUMAN
Played by: Brian White
Function: Security
Truman is new to the operation, still carrying a sense of moral discomfort that the others have long since shed. He questions the necessity of the ritual, the cruelty of it, the cost. His journey is one of reluctant complicity — a man trying to reconcile duty with conscience. His death is swift, a casualty of a system he never fully accepted.

WENDY LIN
Played by: Amy Acker
Function: Technical Specialist
Lin oversees the chemical and behavioural manipulation that shapes the five participants into their assigned roles. She is precise, intelligent, and quietly dedicated to her work. Her death during the purge is one of the earliest signs that the ritual has slipped beyond control. There is a tragic symmetry in her fate, given her long association with stories of ancient powers and the people who serve them.

MORDECAI
Played by: Tim DeZarn
Role: The Harbinger
Mordecai stands at the threshold between the ordinary world and the ritual space — a sentinel whose warnings are both genuine and required. He delivers his message with the weight of someone who has spoken the same doom for generations, as though he is less a man and more a function carved into the ritual itself. His words are cryptic, biblical, and unsettling, designed to unsettle the chosen five and satisfy the ancient rules that govern the sacrifice.
But Mordecai is more than a theatrical omen. He sees the truth with a clarity the Facility lacks. He recognises Marty’s resistance immediately, sensing the anomaly that will unravel everything. His attempt to warn the operators — earnest, urgent, and ignored — becomes the moment the ritual begins to fail. Their decision to mock him, to put him on speakerphone, to treat him as a joke rather than a guardian, seals their fate.


Played by: Sigourney Weaver
Role: The Final Authority
The Director is the voice of the ritual — calm, authoritative, and utterly convinced of the necessity of sacrifice. She carries the weight of centuries on her shoulders, explaining the stakes with the clarity of someone who has seen the consequences of failure. Her journey is brief but pivotal: she offers the final choice, the last chance to save the world. Her death removes the final safeguard, allowing the Ancient Ones to rise.


The Buckners are less a family and more a lingering wound — a legacy of cruelty preserved in blood and ritual. Once human, they became something far older in purpose: instruments of suffering bound to the cabin and summoned only when the right relic is touched. Their story begins with Patience, the youngest, whose diary records the torment inflicted upon her by her parents and brothers. Those pages, read aloud, become the key that unlocks them.
Each member carries the echo of their earthly role. Patience, mutilated and murdered by her own kin, moves with a quiet, mournful inevitability, her presence a reminder of the pain that birthed them. Judah, the first to strike, fulfils the ritual’s opening demand by killing Jules, marking the shift from unease to bloodshed. Matthew, towering and relentless, embodies the family’s brute force, delivering death with the cold precision of someone who has done this countless times before. Father Buckner, the architect of their suffering, brings a ceremonial weight to every blow, as though each act of violence is a continuation of the doctrine he once preached. Mother Buckner lingers in the shadows, her movements quieter but no less deadly, the twisted echo of a household matriarch long since lost to madness.
Together, they form a single entity: a ritual mechanism disguised as a family, summoned to enact the first stage of the sacrifice. They are not driven by malice or hunger, but by the ancient script that binds them. Their presence marks the moment the weekend away becomes a predetermined offering, and their final appearance — Patience striking down the Director — becomes the last note in a tragedy centuries in the making.

- Kristen Connolly — Dana Polk
- Chris Hemsworth — Curt Vaughan
- Anna Hutchison — Jules Louden
- Fran Kranz — Marty Mikalski
- Jesse Williams — Holden McCrea
- Richard Jenkins — Gary Sitterson
- Bradley Whitford — Steve Hadley
- Brian White — Daniel Truman
- Amy Acker — Wendy Lin
- Sigourney Weaver — The Director
- Jodelle Ferland — Patience Buckner
- Dan Payne — Matthew Buckner
- Matt Phillips — Judah Buckner
- Terry Notary — Father Buckner
- Maya Massar — Mother Buckner
- Tim DeZarn — Mordecai
- Tom Lenk — Ronald the Intern
- Patrick Gilmore — Technician
- Peter Kelamis — Demo Technician
- Phillip Mitchell — Chem Department Worker
- Nels Lennarson — Specialist
- Rohan Campbell — Japanese Student
- Naomi Dane — Japanese Girl
- Ellie Harvie — Military Liaison
- Linden Banks — Husband Bully
- Aiden Kahn — Husband Bully
- Heather Doerksen — Werewolf Wrangler
- Matt Drake — Maintenance Worker
- Adrian Holmes — Lead Guard
- Drew McCreadie — Guard
- Brad Dryborough — Guard
- Michael Ryan — Guard
- Patrick Sabongui — Guard
- James Rha — Guard
- Phillip Mitchell — Chem Tech
- Maya Erskine — Japanese Schoolgirl (uncredited)
- Various performers — Monsters, creatures, and Facility staff












