Official Secrets relates the narrative of Katherine Gun, a translator working for a British intelligence agency who leaked top secret information about the war on Iraq and faced stiff charges for her trouble. Her case captured the attention of activists around the globe. This political thriller, directed by Gavin Hood (Eye in the Sky), features a fine ensemble headed by Keira Knightley, Ralph Fiennes, Matthew Goode, Matt Smith, and Rhys Ifans.

ArcLight (also playing at the Landmark), 6360 Sunset Blvd., Hollywood; Fri. Aug. 30, various showtimes; $16-$18; (323) 615-2550, arclightcinemas.com. 

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