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)

Gemma Craven as Mrs. Dunn

Anastasia Hille as Gillian

Maria Pastel as Policewoman

Celia Montague as Solicitor

Kevin Trainor as Boy in School

Lolita Chakrabarti as Doctor

Claire Fox as Reporter

Jennifer Hockman as Reporter

Jack Tanner as Reporter