- Morwenna Banks - Mary
- Tobias Menzies - Simon Weir
- Tim Bentinck - Cliff Lawton
- John Biggins - Driver
- Matthew Marsh - Simon Hewitt
- Vincent Franklin - Stewart Pearson
- Manjinder Virk - Journalist 1
- Georgie Glen - Susan Dorling
- Di Botcher - Pauline McKendrick
- Robert Portal - Mark Davies
- Theo Fraser Steele - Christian Holhurst
- Paul Higgins - Jamie
- James Doherty - Steve
- Richard Betts - Online Telegraph
- Eve Matheson - Claire Ballantine
- Martin Ball - Roy Smedley
- Pearce Quigley - Doug Hayes
- Rory Kinnear - Ed
- Alex Lowe - John
- Melanie Hill - Julie Price
- Lucinda Raikes - Angela Heaney
- Simon Chandler - Permanent Secretary
- Nicholas Sidi - Head Teacher
- Richard Bacon - Richard Bacon
- Sara Pascoe - Janice
- Rufus Wright - Gavin Boyes
- Peter Sullivan - Geoffrey
- Zoe Telford - Marianne Swift
- Alex MacQueen - Julius Nicholson
- Alex MacQueen - Lord Nicholson
- David Haig - Steve Fleming
- Tom Hollander - Cal Richards
- Struan Rodger - Pat
- Hamza Jeetooa - Raj
- Jessica Henwick - Charlotte
- Rob Edwards - Geoff Holhurst
- Emily Grace Bevan - Tara Strachan
- Zahra Ahmadi - Nurse
- Miles Jupp - John Duggan
- Justin Edwards - Ben Swain
- Joe Cole - Jack
- Mandeep Dhillon - Rohinka
- William Hoyland - Lord Goolding
- Priyanga Burford - Baroness Sureka
- Michael Maloney - Matthew Hodge
- Tony Gardner - Dan Miller
- Polly Kemp - Robyn Murdoch
- Olivia Poulet - Emma Messinger
- Rebecca Gethings - Helen Hatley
- Ben Willbond - Adam Kenyon
- Geoffrey Streatfeild - Fergus Williams
- Sylvestra Le Touzel - Mary Drake
- Michael Colgan - Declan
- Simon Kunz - Greg Fraser
- Will Smith
- Jon Plowman
- Armando Iannucci
- Adam Tandy
Tom Hollander interpreta a Cal Richards en la serie.
Peter Capaldi hace el papel de Malcolm Tucker.
Chris Addison hace el papel de Olly Reeder.
Rebecca Front interpreta a Nicola Murray en la serie.
Joanna Scanlan hace el papel de Terri Coverley.
James Smith interpreta a Glenn Cullen en la serie.
Roger Allam interpreta a Peter Mannion en la serie.
Capítulo disponible en las siguientes plataformas:
