Molly Parker
— Mel
Harry Eden
— Paul
Keira Knightley
— Louise
Vinnie Hunter
— Lee
David Wenham
— Lenny
Nitin Ganatra
— Abu
Levi Hayes
— Jack
Rupert Procter
— Harry
Bronson Webb
— Tom
Marsha Thomason
— Vicki
Geraldine McEwan
— Nanna
Karl Johnson
— Granddad
Gary Lewis
— DI French
Tyler J. Smart
— Rose
Kate Ashfield
— Helen
Julia Deakin
— Mrs Rawlings
Mona Hammond
— Customer
Mia Soteriou
— Diane
Robert Hands
— Doctor
Jessica Hynes
— Paramedic (as Jessica Stevenson)
Russell Barr
— Nurse
Tamsin Greig
— Liaison Officer
Bea Guard
— Waitress
Alan Turkington
— Secretary
Kathryn Pogson
— Woman at Door