| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Annie Kocur | Crew | Editing | Editor | 6 |
Hilary Salmon | Crew | Production | Executive Producer | 6 |
Jamie Trevill | Crew | Editing | Editor | 6 |
Lesley Lamont-Fisher | Crew | Costume & Make-Up | Makeup Designer | 6 |
Michael Howells | Crew | Art | Production Design | 6 |
 Peter Burgis | Crew | Sound | Foley Artist | 6 |
Rachel Freck | Crew | Production | Casting | 6 |
Radford Neville | Crew | Production | Producer | 6 |
 Sam McCurdy | Crew | Camera | Director of Photography | 6 |
Stephanie Collie | Crew | Costume & Make-Up | Costume Design | 6 |
Stuart Hilliker | Crew | Sound | Sound Re-Recording Mixer | 6 |
 Toby Whithouse | Crew | Production | Executive Producer, Writer | 6 |
Daniel O'Hara | Crew | Directing | Director | 3 |
 Daniel Pemberton | Crew | Sound | Original Music Composer | 6 |
Faith Penhale | Crew | Production | Executive Producer | 6 |
Niall MacCormick | Crew | Directing | Director | 3 |
Robert Wischhusen-Hayes | Crew | Art | Set Decoration | 6 |
 Urszula Pontikos | Crew | Camera | Director of Photography | 6 |
Jim Goddard | Crew | Sound | Sound Effects Editor | 6 |
Debbie O'Malley | Crew | Writing | Writer | 1 |
Sarah Dollard | Crew | Writing | Writer | 2 |
Sandra O'Brien | Crew | Costume & Make-Up | Makeup Supervisor | 6 |
Philip Clements | Crew | Sound | Foley Editor | 6 |
Simon Farmer | Crew | Sound | Sound Mixer | 6 |
Sam Williams | Crew | Editing | Editor | 6 |
 Adam James | Cast | Actor | George | 1 |
 Alistair Petrie | Cast | Actor | Andrew | 1 |
 Andrew Bicknell | Cast | Actor | Martin | 1 |
 Anton Lesser | Cast | Actor | C | 1 |
 Brian Cox | Cast | Actor | Daddy | 6 |
 Craig Conway | Cast | Actor | Philip Denmoor | 1 |
 David Verrey | Cast | Actor | Edgar | 1 |
 Emma Fielding | Cast | Actress | Valerie Parkwood | 1 |
 Enzo Squillino Jr. | Cast | Actor | Hotel Proprietor | 1 |
 Gabrielle Scharnitzky | Cast | Actress | Kitty | 1 |
 Goran Navojec | Cast | Actor | Bogdan Rodchenko | 1 |
 Hermione Gulliford | Cast | Actress | Secretary to the Home Secretary | 1 |
 Ian Hanmore | Cast | Actor | Dennis Lamb | 1 |
 Jay Simpson | Cast | Actor | Colin Blakefield | 2 |
 Jon Glover | Cast | Actor | Public Information Film Narrator | 1 |
 Jonathan Aris | Cast | Actor | Alan Montag | 6 |
 Judy Parfitt | Cast | Actress | Hester Waterhouse | 5 |
 Laurence Kinlan | Cast | Actor | IRA Man | 1 |
 Nick Holder | Cast | Actor | Comic | 1 |
 Paul Ritter | Cast | Actor | Bobby Waterhouse | 6 |
 Rachael Stirling | Cast | Actress | Kate Wilkinson | 1 |
 Richard McCabe | Cast | Actor | Prime Minister | 1 |
Riky Ash | Cast | Vasily | 1 | |
 Scott Handy | Cast | Actor | David Hexton | 1 |
 Shaun Dooley | Cast | Actor | DC Jim Fenchurch | 6 |
 Steven Mackintosh | Cast | Actor | Tom Mallory | 1 |
 Tim Bentinck | Cast | Actor | Home Secretary | 2 |
 Todd Boyce | Cast | Actor | Hank Chambers | 1 |
 Velibor Topic | Cast | Actor | KGB Hood | 2 |
 Victoria Alcock | Cast | Actress | Bath House Lady | 1 |
 Victoria Hamilton | Cast | Actress | Sarah Montag | 6 |
 Yevgeni Sitokhin | Cast | Actor | Odin | 5 |
 Gemma Chan | Cast | Actress | Chen Mei | 2 |
 Georgina Rich | Cast | Actress | Alice | 1 |
Jessica Boyde | Cast | Celine | 1 | |
 Julia Krynke | Cast | Actress | Embassy Woman | 1 |
 Laurentiu Possa | Cast | Actor | Hood | 1 |
 Paul Kennington | Cast | Actor | Russian Spy | 1 |
 Zana Marjanović | Cast | Actress | Yulia | 6 |
 Joe Egan | Cast | Actor | The Big Fella | 1 |
 Chloe Pirrie | Cast | Actress | Wendy Straw | 6 |
 James Northcote | Cast | Actor | Waiter | 1 |
 Tom Hughes | Cast | Actor | Joe Lambe | 6 |
Chris Cowlin | Cast | Actor | Member of Special Branch (uncredited) | 2 |
 Marcel Iureș | Cast | Actor | Arkady | 4 |
 Yana Yanezic | Cast | Actress | Katia | 1 |
 Doreene Blackstock | Cast | Actress | Nurse | 1 |
Yuri Klimov | Cast | Actor | Kasimir | 1 |
 Stefan Boehm | Cast | MI5 Clerk | 1 | |
Richard Buck | Cast | Actor | Plain Clothes Police Officer (uncredited) | 1 |
Andy Sanderson | Cast | Actor | Police marksman | 1 |
Hugh O'Brien | Cast | Actor | Gentleman (uncredited) | 1 |
Bartley Burke | Cast | Actor | Ivan | 2 |
Carly Bramwell | Cast | Actress | Prostitute | 1 |
Liz Sutherland | Cast | Actress | Chinese Restaurant Owner | 1 |
| Person | Type | Job | Role(s) | Episodes |
