WHO’S IN IT?

Peter Firth (Pearl Harbor), Kit Harrington (Game of Thrones), Jennifer Ehle (Zero Dark Thirty), Elyes Gabel (World War Z), Lara Pulver (Sherlock), Tim McInnerny (Blackadder), Hugh Simon (Shackleton), Eleanor Matsuura (Magicians), Tuppence Middleton (Jupiter Ascending), Elliot Levey (Philomena), Michael Wildman (The Sweeney), David Harewood (Homeland)

WHO’S BEHIND THE CAMERA?

Bharat Nalluri (Miss Pettigrew Lives For A Day), director; Jonathan Brackley (Spooks) and Sam Vincent (Hotel Babylon), writers; Jane Featherstone (Broadchurch) and Stephen Garrett (Eastern Promises), producers; Dominic Lewis (The DUFF), composer; Hubert Taczanowski (The Look of Love), cinematographer; Jamie Pearson (King Arthur), editor

WHAT’S IT ABOUT?

After a disastrous handover to MI5 during which terrorist Adem Qasim (Gabel) escapes from custody, MI5’s head of counter-terrorism Harry Pearce (Firth) disappears and protégé Will Holloway (Harrington) is tasked with finding him as an impending attack on London looms. During his search, Will uncovers a conspiracy that runs from Vietnam to the Mediterranean, and could change everything…

IN ONE SENTENCE, WHY SHOULD YOU BE EXCITED?

The hit BBC drama hits the big screen in a Ludlum-esque thriller that expands the world and characters of the television series without alienating new audiences.

WHEN’S IT OUT?

FRIDAY 8TH MAY 2015