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.
as Liz Dunn
as Mike Steel
as Frances 'Frankie' Almond Smith
as Geoff Bingham
as Dr. Philippa Horwood
as DCS Tom Howard
as Daisy
as DI Chapman
as Martyn Taylor
as Minnie (as Gemma Powell)
as Mrs. Dunn
as Gillian
as Policewoman
as Solicitor
as Boy in School
as Doctor
as Reporter
as Reporter
as Reporter
