Four teenagers at a British private school secretly uncover and explore the depths of a sealed underground hole created decades ago as a possible bomb shelter.
Liz Dunn
Mike Steel
Frances 'Frankie' Almond Smith
Geoff Bingham
Dr. Philippa Horwood
DCS Tom Howard
Daisy
DI Chapman
Martyn Taylor
Minnie (as Gemma Powell)
Mrs. Dunn
Gillian
Policewoman
Solicitor
Boy in School
Doctor
Reporter
Director
Art Direction
Producer
Production Design
Screenplay
Line Producer
Executive Producer
Original Music Composer
Costume Design
Director of Photography
Editor
Novel
Makeup Artist
Hairstylist
Foley Artist
Casting
Sound
