Collectormania, a Showmasters convention, is being held this weekend, Saturday-Sunday, November 28-29, 2009 at Olympia 2, Hammersmith Road, London, UK.
Supernatural actors scheduled to attend are Misha Collins, Julie McNiven (Anna Milton) and Katharine Isabelle (Ava Wilson).
Source: Collectormania.
For reports, videos and photos, please check Supernatural-wiki, here.
Disclaimer: WinchesterBros.com and MediaBlvd.com are in no way connected to Showmasters and/or Collectormania.