First broadcast 6th/7th August 2006.
Alison Garland is a 14 year old schoolgirl found dead on the school grounds just after lunch.
Teddy Sinclair - Kelly Wetherby (as Natalia Cappuccini)
Daniel Opoku-Akwaboa - Ollie
Gregory Foreman - David
Micaela Ralph - Gemma
Lilly Driscoll - Alison Garland
Tom Ward - Dr. Harry Cunningham
Sarah Malin - DI Shirley Maugham
William Gaminara - Leo Dalton
John McEnery - Det. Supt. Charlie Ferguson
Pavel Douglas - Chris Duncan
Tamsin Egerton - Hannah Duncan
Emilia Fox - Nikki Alexander
Simon Tcherniak - DI Julian Vincent
Robyn Isaac - Press
Amerjit Deu - Tom Wetherby
Laura Harling - Sylvana
Paul Richards - 'Fish' Gerard Brown
Albert Welling - Martin Gibbs
Ingeborga Dapkunaite - Dr. Caroline Anscombe
Jon Millington - Walter Best
Jonathan Keeble - Robert Owen
Toby Marlow - Stephen Owen
Jean Grover - Kay Owen
Ward Parry - Salesman
Barbara Marten - Mary Duncan
Maya Sondhi - Rosa Cassalle
Rebecca Oldfield - Miranda Anscombe
Jonathan Warde - John Duncan
Will Harrow - School Boy
Nick Turner - Waiter