What is hiding in Official Secrets?

Truth is the first casualty of war. Official Secrets reveals the untold true and gripping story behind courageous journalist, Katharine Gun who put her life and career on the line to showcase the lies of the government and change modern history forever. Featuring an all-star British cast, the thrilling Official Secrets arrives in UK cinemas October 18.

Keira Knightley stars as Katharine Gun alongside Matt Smith, Matthew Goode and Ralph Fiennes.

Official Secrets is directed by Gavin Hood (Eye in the Sky, Rendition, Tsotsi), written by Gregory and Sara Bernstein (Trial and Error) and produced by Ged Doherty (Eye in the Sky, Loving), Elizabeth Fowler (Devil’s Knot), Melissa Shiyu Zuo.

In 2003, as politicians in Britain and the US angle to invade Iraq, GCHQ translator Katharine Gun leaks a classified e-mail that urges spying on members of the UN Security Council to force through the resolution to go to war. Charged with breaking the Official Secrets Act, and facing imprisonment, Katharine and her lawyers set out to defend her actions. With her life, liberty and marriage threatened, she must stand up for what she believes in…