Kelly Macdonald

Julie Lewis

Benedict Cumberbatch

Stephen Lewis

Laurence Spellman

Greg Ellis

Rebecca Eaton

Executive Producer

Gerard Monaco

Estate Agent

Richard Durden

Stephen's Father

Stephen Campbell Moore

Charles Darke

Saskia Reeves

Thelma Darke

Franc Ashman

Lydia Webb

Elliot Levey

Prime Minister

Adam Ackland

Executive Producer

Anna Madeley

Rachel Murray

Julian Farino

Director

Lucy Richer

Executive Producer

Karen Bryson

Mrs. Matterson

Andrea Hall

Policewoman

Jim Creighton

Male Neighbour

Beatrice White

Kate Lewis

Rosa-Marie Lewis

Shop Assistant

John Hopkins

Home Secretary

Lucy Liemann

Joanna Buckley

Natasha Brown

Steven's Young Mother

Geraldine Alexander

Stephen's Mother

Tony Walker

Taxi Driver

Chase Collard

Ruth Lyle

Gehane Strehler

Mrs. Forrester

Doreene Blackstock

Nurse

Eloise Henwood

School Girl (uncredited)

Stephen Butchard

Writer

David Boulter

Executive Producer

Helen Gregory

Executive Producer