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.
| Production | François Ivernel | Executive Producer |
| Production | Pippa Cross | Producer |
| Production | Andrea Calderwood | Executive Producer |
| Writing | Ben Court | Screenplay |
| Production | Jeremy Bolt | Producer |
| Production | Bill Shephard | Line Producer |
| Production | Suzanne Warren | Producer |
| Writing | Caroline Ip | Screenplay |
| Directing | Nick Hamm | Director |
| Production | Lisa Bryer | Producer |
| Production | Rebecca Hodgson | Producer |
| Art | Andrew Grant | Art Direction |
| Art | Eve Stewart | Production Design |
| Sound | Clint Mansell | Original Music Composer |
| Costume & Make-Up | Verity Hawkes | Costume Design |
| Camera | Denis Crossan | Director of Photography |
| Editing | Niven Howie | Editor |
| Art | Tom Read | Art Direction |
| Writing | Guy Burt | Novel |
