Ewan McGregor, Jennifer Lawrence, Sigourney Weaver, Greta Gerwig, Kevin Bacon, Elijah Wood, Clint Eastwood, Kylie Minogue, Cate Blanchett and Tilda Swinton. Despite not being quite as high profile as the likes of Cannes, Venice or Sundance, Edinburgh can boast to be the world's oldest continually running film festival.