 Principal photography was scheduled to take up to 133 days, although actually took 128.It began on 7 November 2011 in London, with Deakins using Arri Alexa digital cameras to shoot the entire film.Scenes were shot in Underground stations, Smithfield car park in West Smithfield, the National Gallery, Southwark, Whitehall, Parliament Square, Charing Cross station, the Old Royal Naval College in Greenwich, Cadogan Square and Tower Hill.