An illustrious British boarding school becomes a bloody battleground when a mysterious sinkhole appears at a nearby fracking site unleashing unspeakable horror.
Finn Cole
as Don Wallace
Asa Butterfield
as Willoughby Blake
Hermione Corfield
as Clemsie Lawrence
Simon Pegg
as Meredith Houseman
Michael Sheen
as The Bat
Nick Frost
as Woody Chapman
Tom Rhys Harries
as Clegg
Isabella Laughland
as Kay
Kit Connor
as Wootton
Jamie Blackley
as Caspar de Brunose
Margot Robbie
as Audrey
Jo Hartley
as Babs Wallace
