Official Secrets

Keira Knightley

Katharine Gun

Matt Smith

Martin Bright

Ralph Fiennes

Ben Emmerson

Adam Bakri

Yasar Gun

Matthew Goode

Peter Beaumont

Rhys Ifans

Ed Vulliamy

Indira Varma

Shami Chakrabarti

John Heffernan

James Welch

Conleth Hill

Roger Alton

Jack Farthing

Andy Dumfries

MyAnna Buring

Jasmine

Peter Guinness

TinTin

Chris Reilly

Jerry

Shaun Dooley

John

Ray Panthaki

Kamal Ahmed

Chris Larkin

Nigel Jones

Monica Dolan

Fiona Bygate

Clive Francis

Rear Admiral Nick Wilkinson

Tamsin Greig

Elizabeth Wilmshurst

Hattie Morahan

Yvonne Ridley

Kenneth Cranham

Judge Hyam

Jeremy Northam

Ken MacDonald

Hanako Footman

Nicole Mowbray

Angus Wright

Mark Ellison

Katherine Kelly

Jacqueline Jones, MI6 Agent

Raad Rawi

Mel

Fiona Skinner

Policewoman

Niccy Lin

Mi-Yung

Lindy Whiteford

Edie Rielly

Janie Dee

Jan Clements

Will Barton

Paul Beaver

Martin Bright

Male Journalist

Vanessa Thorpe

Female Journalist

Sophie Duval

Female Custody Sergeant

Stuart Ramsay

Police Officer

Jodie McNee

Duty Solicitor

David Maybrick

Officer Pitt

Simon Rogers

Officer Knowles

Raquel Cassidy

Anne Emmerson

Corinna Wilson

Young Romanian Girl

Brett Allen

Duty Officer

Patrick Moy

Driver

Vinta Morgan

BBC Reporter

Jessica Fostekew

Courtroom Guard

Michael James

Clerk of the Court

Gabrielle Downey

Mrs. Archer

Tony Blair

Self (archive footage) (uncredited)

George W. Bush

Self (archive footage) (uncredited)

Katharine Gun

Self (archive footage) (uncredited)

Colin Powell

Self (archive footage) (uncredited)

Grant Crookes

GCHQ Security

Rene Costa

Iraqi Protestor (uncredited)

Neilesh Ambu

GCHQ Colleague (uncredited)

Joanne James

Home Office Official Doncaster Airport (uncredited)