A tense biographical thriller movie is on TV tonight

The film holds an 89% Rotten Tomatoes score.

In the film, the Black Doves actress plays real-life British woman Katharine Gun who worked as a translator for the Government Communications Headquarters (GCHQ) before becoming an Iraq War whistleblower.

The plot synopsis for the movie reads:

Directed by Gavin Hood (Eye in the Sky, Wolverine), the starry cast of Official Secrets also includes Conleth Hill, Indira Varma, Jeremy Northam, Matt Smith, Matthew Goode, MyAnna Buring, Ralph Fiennes, Rhys Ifans and Tamsin Greig.

The film earned very positive notices upon release, with particular praise being given to Knightley for her central turn and the movie's important story.

It garnered an 82% critics score and an 89% audience score on Rotten Tomatoes.

Official Secrets is airing on TV tonight on BBC Two at 11.55pm.

Here are the other movies airing on TV tonight:

Borat: Cultural Learnings of America for Make Benefit Glorious Nation of Kazakhstan - TG4 - 10pm

2006 spoof documentary, starring Sacha Baron Cohen, Ken Davitian and Pamela Anderson.

Walking and Talking - Film4 - 2am

1996 romantic comedy, with Catherine Keener, Anne Heche, Todd Field and Liev Schreiber

Braven - Legend - 1.35am

A logging company owner and his family find themselves in a dangerous situation when they uncover a drug trafficker's hidden stash of cocaine in their cabin.

The World's End - ITV4 - 9pm/10.10pm

A man reunites four childhood friends for a pub crawl in their hometown, only to discover an alien threat to humanity in The World's End.

Under Suspicion - Legend Xtra - 11pm

A lawyer reports a child’s murder but is suspected as police probe him and his estranged wife.