
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.
Casts

Thora Birch
Liz Dunn

Desmond Harrington
Mike Steel

Keira Knightley
Frances 'Frankie' Almond Smith

Laurence Fox
Geoff Bingham

Embeth Davidtz
Dr. Philippa Horwood

Steven Waddington
DCS Tom Howard

Emma Griffiths Malin
Daisy

Kelly Hunter
DI Chapman

Daniel Brocklebank
Martyn Taylor

Jemma Powell
Minnie (as Gemma Powell)

Gemma Craven
Mrs. Dunn

Anastasia Hille
Gillian
Maria Pastel
Policewoman
Celia Montague
Solicitor

Kevin Trainor
Boy in School

Lolita Chakrabarti
Doctor

Claire Fox
Reporter
Jennifer Hockman
Reporter
Crew
Nick HammDirected by Nick Hamm
Watch trailer
Trailer provided by the rights holder via YouTube.
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