Keira Knightley will return to the West End stage for the first time in 15 years in an adaptation of the Oscar-winning German film The Lives of Others . The play, adapted and directed by Robert Icke and with music by Max Richter, will open at the Adelphi theatre in London this autumn. Knightley will portray an actor in East Germany in 1984 who is placed under state surveillance along with her novelist partner, played by Bridgerton’s Luke Thompson. Stephen Dillane has been cast as the Stasi captain who spies on their relationship. Producer Sonia Friedman, continuing her creative partnership with Icke after hits including Oedipus , said it would be an “unexpected” and “thrilling” take on writer-director Florian Henckel von Donnersmarck’s 2006 film. Icke, she said, has a “rare ability to combine huge ideas with real emotional truth”.…