- Chris Reilly - Sergeant Alex Baxter
- Toby Woolf - George Markham
- Kevin Sutton - Corporal Israel Orchover
- Richard Dillane - Harvey Tilbrook
- Joseph Kennedy - Captain Nick Page
- Stefan Erasmus - Arab Prisoner
- Paul Tinto - Corporal Chris Dimarco
- Adrienne Pearce - Midwife
- Jamie-Lee Money - Nurse
- Hubert Burton - Hubert Rankin
- Grant Swanby - SAS Commanding Officer
- Leon Clingman - Clive
- Julian Wadham - Colonel Richard Amery
- Tauriq Jenkins - Waiter
- Ashish Gangapersad - Father
- Michael MacKenzie - Royal Scotch Guard
- Brett Williams - Agent
- Philippa Berrington-Blew - Nurse
- Tamer Burjaq - NLF Fighter
- Amira Ghazalla - Alima Saeed
- Stuart Graham - Ronnie Carter
- Mark Tandy - Colin Calvert
- Tim Bentinck - President Brigadier Alan Slater
- Clayton Evertson - NLF Fighter
- Essie Davis - Martha Franklin
- Mark Dexter - Colonel Maurice Bishop
- Khaled Abol Naga - Informant
- Aymen Hamdouchi - Kadir Hakim
- Andrew Havill - Dr. Russell
- Miles Petzer - Corporal Murray
- Lucy Richer
- Elwen Rowlands
- Peter Moffat
- George Faber
- Mark Pybus
- Matthew Read
- Solomon Grey
Jessie Buckley hace el papel de Honor Martin.
Stephen Campbell Moore interpreta a Lieutenant Ed Laithwaite en la serie.
Amanda Drew interpreta a Mary Markham en la serie.
Ben Miles interpreta a Major Harry Markham en la serie.
Jeremy Neumark Jones interpreta a Captain Joe Martin en la serie.
Jessica Raine interpreta a Alison Laithwaite en la serie.
Ouidad Elma interpreta a Yusra Saeed en la serie.
Chris Reilly interpreta a Sergeant Alex Baxter en la serie.
Toby Woolf interpreta a George Markham en la serie.
Kevin Sutton interpreta a Corporal Israel Orchover en la serie.
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