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 (Collette, The Imitation Game) stars as Katharine Gun alongside Matt Smith (Doctor Who, The Crown), Matthew Goode (The Guernsey Literary and Potato Peel Pie Society, The Crown) and Ralph Fiennes (Schindler’s List, The Grand Budapest Hotel).

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.