This article titled "Tilda Swinton: We need to talk about eccentricity" was written by Andrew Anthony, for The Observer on Saturday 14th May 2011 23.05 UTCThe word last week in Cannes was that Tilda Swinton is perfectly cast in We Need to Talk About Kevin, Lynne Ramsay's film of Lionel Shriver's novel that is one of the favourites to win the Palme d'Or. The news comes as no surprise because Swinton is one of those rare actresses who never leaves an audience wondering what another actor might have been like in a part she has played. As soon as you see her, it's impossible to imagine anyone else taking her place.This is due in part to the way she looks – like no one else. A whole thesaurus of adjectives – haunting, androgynous, ethereal – has failed to describe her singular appearance. Better to imagine the offspring that would result if David Bowie's ...