"When their son starts acting strangely, a couple unwittingly allow dark and sinister forces into their home, awakening a long-dormant ancient evil rooted deep in the countryside."
Matt Smith
as Richard
Morfydd Clark
as Juliette
Arthur Shaw
as Owen
Erin Richards
as Harrie
Sean Gilder
as Gordon
Melanie Kilburn
as Mrs. Forde
Robert Emms
as Steven
Roger Barclay
as Dr. Monk
Matilda Firth
as Younger Burnsall Sister
Rocco Haynes
as Football boy
George Arthur
as Child (voice)
Robert Goodale
as Medhurst
Daisy Exley
as Older Burnsall Sister
Niall Costigan
as Cricket Player
Tess Hodgson-Sakamoto
as Female Student
Neilesh Ambu
as Cricketer (uncredited)
Antony Raymond Barlow
Kayne Lewis
as Student (uncredited)
Zoe McCaffrey
Makeup Artist
Joanne Tudda
Makeup Supervisor
Mike Higson
Location Manager
Liam Saint-Pierre
Second Assistant Director
Juliette Howell
Producer
Andrew Michael Hurley
Novel
Emmy Duffy
Daniel Kokotajlo
Screenplay
Tessa Ross
Director
Katherine Black
Art Direction
Danny Cohen
Executive Producer
Francesca Massariol
Production Design
Shaheen Baig
Casting
Brenna Rangott
Editor
Adam Scarth
Director of Photography
Matthew Herbert
Original Music Composer
Mark Gooder
Emma Fryer
Costume Design
Eva Yates
Christiaan Faberij de Jonge
First Assistant Director
Camilla Hipwood
Set Decoration
Rob Yeomans
Production Manager
Nadiya Luthra
Post Production Supervisor
Dean Wares
Main Title Designer