Alona Tal (Jo Harvelle) is scheduled to attend Ultim'Art Conventions' Heaven in Hell, the first French Supernatural Convention, to be held Friday-Sunday, May 28-30, 2010 at Palais des Congrès d'Issy Les Moulineaux, 25 Avenue Victor Cresson, 92 130 Issy Les Moulineaux, France.
As was already announced, Misha Collins is also scheduled to attend the event.
Source: Heaven in Hell.
Disclaimer: WinchesterBros.com and MediaBlvd.com are in no way connected to the convention.