- Tom Hardy
- Self - Narrator
- Jan Koops
- Self - Prince of Wales Company, 1st Batallion Welsh Guards
- Julian Thompson
- Self - 3 Commando Brigade, Royal Marines
- Sulle Alhaji
- Self - Third Batallion, Parachute Regiment, '3 Para'
- Chris Parry
- Self - 'Wessex' Helicopter Crew, HMS Antrim
- Ivar Hellberg
- Self - Head of Logistics, Royal Marines
- Max Hastings
- Self - War Correspondent
- Michael Rose
- Self - Commander, 22 SAS
- John Waters
- Self - Deputy Commander, Land Forces
- Mike Scott
- Self - Commander, 2nd Batallion Scots Guards
- Mark Hankin
- Self - Machine Gunner, 42 Commando
- Esteban Vilgre Lamadrid
- Self - Second Lieutenant, 6th Infantry Regiment
- John Shakespeare
- Self - British Embassy, Buenos Aires
- Nicholas Shakespeare
- Self - Son of John Shakespeare
- Helen Parr
- Self - Professor of History, Keele University / Author 'Our Boys: The Story of a Paratrooper'
- Nick Vaux
- Self - Commander, 42 Commando, Royal Marines
- Simon Thornewill
- Self - Head of 846 Naval Air Squadron, Royal Navy
- Sid Edwards
- Self - Wing Commander
- Martin Jones
- Self - Machine Gunner, Welsh Guards
- Sara Jones
- Self - Widow of 'H' Jones, Commander 2 Para
- Sergio Fernández
- Self - 602 Commando, Argentine Special Forces
- Tony Wilson
- Self - Commander 5 Infantry Brigade
- Tom Navin
- Self - Combat Medical Technician, Royal Army Medical Corps
- Euan Houston
- Self - SAS Commander
