Roman Polanski’s political thriller “The Ghost Writer” has just been named the best film of the year that ended July 1 by the 296 members of the International Federation of Film Critics (FIPRESCI). Olivia Williams, who stars with Ewan McGregor, will collect the award Sept. 17 at the San Sebastian Film Festival in Spain’s Basque region. McGregor plays a ghost writer who is working on the memoirs of a British prime minister (Pierce Brosnan) based on Tony Blair.