 | Keira Knightley als Katharine Gun |
 | Matt Smith als Martin Bright |
 | Ralph Fiennes als Ben Emmerson |
 | Adam Bakri als Yasar Gun |
 | Matthew Goode als Peter Beaumont |
 | Rhys Ifans als Ed Vulliamy |
 | Indira Varma als Shami Chakrabarti |
 | John Heffernan als James Welch |
 | Conleth Hill als Roger Alton |
 | Jack Farthing als Andy Dumfries |
 | MyAnna Buring als Jasmine |
 | Peter Guinness als TinTin |
 | Chris Reilly als Jerry |
 | Shaun Dooley als John |
 | Ray Panthaki als Kamal Ahmed |
 | Chris Larkin als Nigel Jones |
 | Monica Dolan als Fiona Bygate |
 | Clive Francis als Rear Admiral Nick Wilkinson |
 | Tamsin Greig als Elizabeth Wilmshurst |
 | Hattie Morahan als Yvonne Ridley |
 | Kenneth Cranham als Judge Hyam |
 | Jeremy Northam als Ken MacDonald |
 | Hanako Footman als Nicole Mowbray |
 | Angus Wright als Mark Ellison |
 | Katherine Kelly als Jacqueline Jones, MI6 Agent |
 | Raad Rawi als Mel |
 | Fiona Skinner als Policewoman |
 | Tony Blair als Self (archival footage) |
 | George W. Bush als Self (archival footage) |
 | Andrew Marr als Self (archival footage) |
 | Katharine Gun als Self (archival footage) |
 | Niccy Lin als Mi-Yung |
 | Lindy Whiteford als Edie Rielly |
 | Janie Dee als Jan Clements |
| Will Barton als Paul Beaver |
| Martin Bright als Male Journalist |
| Vanessa Thorpe als Female Journalist |
 | Sophie Duval als Female Custody Sergeant |
| Stuart Ramsay als Police Officer |
 | Jodie McNee als Duty Solicitor |
| David Maybrick als Officer Pitt |
| Simon Rogers als Officer Knowles |
 | Raquel Cassidy als Anne Emmerson |
| Corinna Wilson als Young Romanian Girl |
 | Brett Allen als Duty Officer |
| Patrick Moy als Driver |
| Vinta Morgan als BBC Reporter |
 | Jessica Fostekew als Courtroom Guard |
| Michael James als Clerk of the Court |
 | Gabrielle Downey als Mrs. Archer |
| Elizabeth Fowler | Producer |
| Gavin Hood | Screenplay |
| Gavin Hood | Director |
| Simon Rogers | Production Design |
| Sara Bernstein | Screenplay |
| Gregory Bernstein | Screenplay |
| Paul Hepker | Original Music Composer |
| Melissa Shiyu Zuo | Producer |
| Mark Kilian | Original Music Composer |
| Claire Finlay-Thompson | Costume Design |
| Ged Doherty | Producer |
| Kate Dowd | Casting |
| Megan Gill | Editor |
| Florian Hoffmeister | Director of Photography |
| Marcia Mitchell | Book |
| Thomas Mitchell | Book |
| Ben Clements | Art Direction |
| Andy Watson | Art Direction |
| Bill Crutcher | Supervising Art Director |
| David Morison | Set Decoration |
| Craig Mann | Supervising Sound Editor |
| Mark Gordon | Executive Producer |
| Matt Jackson | Executive Producer |
| Sara Smith | Executive Producer |
| Gavin Hood | Executive Producer |
| Claudia Bluemhuber | Executive Producer |
| Anne Sheehan | Executive Producer |
| Hugo Heppell | Executive Producer |
| Sarada McDermott | Co-Producer |
| Nadia Stacey | Makeup Designer |
| Nadia Stacey | Hair Designer |
| Sarah Franzl | Stunt Coordinator |
| Nick Chopping | Stunt Driver |
| Ben Dimmock | Stunt Driver |
| Paul Heasman | Stunt Driver |
| Lee Millham | Stunt Driver |
| Daniel Rawlins | Stunt Driver |
| Karen Smithson | Stunt Driver |
| Nancy Bray | Unit Production Manager |
| Toni Staples | First Assistant Director |
| Sarah MacFarlane | Second Assistant Director |
| Jenna Berger | Associate Producer |
| Craig Mann | Sound Re-Recording Mixer |
| Jen Ainsley | Standby Art Director |
| Laura Iwanyckyj | Assistant Set Decoration |
| Florence Tasker | Graphic Designer |
| Rosa Nolan-Warren | Art Department Assistant |
| Jason Bond | Property Master |
| Bob Charlton | Construction Manager |
| Ossie McLean | "A" Camera Operator |
| Ossie McLean | Steadicam Operator |
| Will Morris | First Assistant "A" Camera |
| Chris King | Second Assistant "A" Camera |
| Rupert Hornstein | First Assistant "B" Camera |
| Aaran Lewis Leach | Second Assistant "B" Camera |
| Jasmine Orrey | Camera Trainee |
| Joe Steel | Digital Imaging Technician |
| San Davey | Script Supervisor |
| Jim Greenhorn | Production Sound Mixer |
| Hugh Sherlock | First Assistant Sound Editor |
| Dan Fontaine | Gaffer |
| Simon Atherton | Best Boy Electric |
| Sam Chapman | Electrician |
| Richard Haigh | Electrician |
| Robert Gavigan | Rigging Gaffer |
| Alex Fraser | Key Grip |
| Adrian Barry | Grip |
| Robert Viglasky | Still Photographer |
| Matt Squire | Still Photographer |
| Nick Wall | Still Photographer |
| Tapio Salmi | Makeup & Hair |
| Anna Morena | Makeup & Hair |
| Dani Haigh | Makeup & Hair |
| Carolyn Cousins | Makeup & Hair |
| Abby Graves | Makeup & Hair |
| Helen Bolter | Costume Supervisor |
| Charles Gillies | Costumer |
| Charlotte Cox | Production Coordinator |
| Kelsey Hammond | Production Coordinator |
| Jamie Hollingworth | Assistant Production Coordinator |
| Mari Hopkins | Production Secretary |
| Kristian Turnbull | Production Secretary |
| Cait Downs | Production Runner |
| Amy King | Third Assistant Director |
| Amy King | Second Unit First Assistant Director |
| Emma Jane Richards | Location Manager |
| Mark Wilson | Assistant Location Manager |
| Jonathon Lawrence | Assistant Location Manager |
| Joe Gradwell | Location Assistant |
| Ben Arslanian | Production Accountant |
| Becky Scurrah | Assistant Accountant |
| Daniel Hamill | Assistant Accountant |
| Martin Ainscough | Payroll Accountant |
| Clare Harlow | Casting Associate |
| Emma Bolton | Casting Assistant |
| Traci Duran | First Assistant Editor |
| PJ Harling | Assistant Editor |
| Chase Keehn | Dialogue Editor |
| Laura Wiest | Sound Re-Recording Mixer |
| Luke Nagy | ADR Mixer |
| Randy Wilson | Foley Supervisor |
| Randy Wilson | Foley Mixer |
| John Sievert | Foley Artist |
| Jason Charbonneau | Foley Artist |
| Stefan Fraticelli | Foley Artist |
| Ron Mellegers | Foley Mixer |
| John Loranger | Foley Editor |
| Kristi McIntyre | Foley Editor |
| Justin Helle | Foley Editor |
| Brent Brooks | Music Editor |
| Bronson Buskett | Orchestrator |
| Mark Kilian | Orchestrator |
| Paul Hepker | Orchestrator |
| Doug Delaney | Colorist |
