Official Secrets is a 2019 American-British political thriller about whistleblower Katharine Gun directed by Gavin Hood, starring Keira Knightley, Matt Smith, Matthew Goode, Adam Bakri, Indira Varma, and Ralph Fiennes. The Hollywood Reporter has characterized it as a “real-life spy thriller”.
It had its world premiere at the Sundance Film Festival on 28 January 2019. It is scheduled to be released in the United States on 30 August 2019, by IFC Films, and in the United Kingdom on 18 October 2019, by Entertainment One.

Tells the real-life story of Katharine Gun, who leaked a secret memo exposing an illegal spying operation by the United States of America, looking for information with which to blackmail United Nations diplomats tasked to vote on a resolution regarding the 2003 invasion of Iraq.
