Keira Knightley

Character: Katharine Gun

Matt Smith

Character: Martin Bright

Ralph Fiennes

Character: Ben Emmerson

Adam Bakri

Character: Yasar Gun

Matthew Goode

Character: Peter Beaumont

Rhys Ifans

Character: Ed Vulliamy

Indira Varma

Character: Shami Chakrabarti

John Heffernan

Character: James Welch

Conleth Hill

Character: Roger Alton

Jack Farthing

Character: Andy Dumfries

MyAnna Buring

Character: Jasmine

Peter Guinness

Character: TinTin

Chris Reilly

Character: Jerry

Shaun Dooley

Character: John

Ray Panthaki

Character: Kamal Ahmed

Chris Larkin

Character: Nigel Jones

Monica Dolan

Character: Fiona Bygate

Clive Francis

Character: Rear Admiral Nick Wilkinson

Tamsin Greig

Character: Elizabeth Wilmshurst

Hattie Morahan

Character: Yvonne Ridley

Kenneth Cranham

Character: Judge Hyam

Jeremy Northam

Character: Ken MacDonald

Hanako Footman

Character: Nicole Mowbray

Angus Wright

Character: Mark Ellison

Katherine Kelly

Character: Jacqueline Jones, MI6 Agent

Raad Rawi

Character: Mel

Fiona Skinner

Character: Policewoman

Niccy Lin

Character: Mi-Yung

Lindy Whiteford

Character: Edie Rielly

Janie Dee

Character: Jan Clements

Will Barton

Character: Paul Beaver

Martin Bright

Character: Male Journalist

Vanessa Thorpe

Character: Female Journalist

Sophie Duval

Character: Female Custody Sergeant

Stuart Ramsay

Character: Police Officer

Jodie McNee

Character: Duty Solicitor

David Maybrick

Character: Officer Pitt

Simon Rogers

Character: Officer Knowles

Raquel Cassidy

Character: Anne Emmerson

Corinna Wilson

Character: Young Romanian Girl

Brett Allen

Character: Duty Officer

Patrick Moy

Character: Driver

Vinta Morgan

Character: BBC Reporter

Jessica Fostekew

Character: Courtroom Guard

Michael James

Character: Clerk of the Court

Gabrielle Downey

Character: Mrs. Archer

Tony Blair

Character: Self (archive footage) (uncredited)

George W. Bush

Character: Self (archive footage) (uncredited)

Katharine Gun

Character: Self (archive footage) (uncredited)

Colin Powell

Character: Self (archive footage) (uncredited)

Grant Crookes

Character: GCHQ Security

Rene Costa

Character: Iraqi Protestor (uncredited)

Neilesh Ambu

Character: GCHQ Colleague (uncredited)

Joanne James

Character: Home Office Official Doncaster Airport (uncredited)

Stuart Ramsay

Character: Police Officer