Actors Ian Hart and Kerry Fox reveal the challenges presented to them and their co-star John Simm by the play Speaking in Tongues. A new stage version by Andrew Bovell of his own film, Lantana, Speaking in Tongues is a multi-stranded thriller involving nine different people, four infidelities and a missing person. Moctezuma: Aztec Ruler is the fourth of the British Museum's exhibitions examining power and empire. The show reassesses the myths surrounding Moctezuma ll, who ruled Central America from the Caribbean to the Pacific from 1502 until the arrival of the Spanish under Cortes, in 1521, devastated the native civilisation and laid the foundations for modern Mexico. Nic Roeg is the director and cinematographer behind Don't Look Now and The Man Who Fell to Earth. Roeg's work has often caused controversy; the sex scene between Julie Christie and Donald Sutherland in Don't Look Now became notorious and Roeg went on to direct both Mick Jagger and David Bowie. With his films due to be screened as part of a film festival in Liverpool, he talks to Mark Lawson about a career spent pushing the boundaries of film making. Mark Lawson talks to the double Olivier Award-winning actor Daniel Evans, who has turned his back on acting at the peak of his career to become the artistic director of Sheffield Theatre. What has Evans scheduled for his first season at the theatre where Michael Grandage made his name?