London, England, April 1980. Six terrorists assault the Embassy of Iran and take hostages. For six days, tense negotiations are held while the authorities decide whether a military squad should intervene.
Jamie Bell
as LCpl. Rusty Firmin
Abbie Cornish
as Kate Adie
Mark Strong
as Max Vernon
Martin Shaw
as John Dellow
Emun Elliott
as Roy
Ben Turner
as Salim
Aymen Hamdouchi
as Faisal
Tim Pigott-Smith
as Home Secretary William Whitelaw
Robert Portal
as Lt. Col. Mike Rose
Colin Garlick
as LCpl. John Mac
Andrew Grainger
as Ray
Martin Hancock
as BBC Cameraman Bill