Overview
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.
Cast
- Thora Birch as Liz Dunn
- Desmond Harrington as Mike Steel
- Keira Knightley as Frances 'Frankie' Almond Smith
- Laurence Fox as Geoff Bingham
- Embeth Davidtz as Dr. Philippa Horwood
- Steven Waddington as DCS Tom Howard
- Emma Griffiths Malin as Daisy
- Kelly Hunter as DI Chapman
- Daniel Brocklebank as Martyn Taylor
- Jemma Powell as Minnie (as Gemma Powell)