Alona Tal (Jo Harvelle) is scheduled to attend Rogue Events' Asylum 4, Houses of the Holy, to take place 14th-16th May 2010 at Hilton Birmingham Metropole, National Exhibition Centre, Birmingham, UK.
As was already announced, Jim Beaver (Bobby Singer), Katherine Boecher (Lilith) and Kurt Fuller (Zachariah) are also scheduled to attend the event.
Source: Asylum 4.
Disclaimer: WinchesterBros.com and MediaBlvd.com are in no way connected to the event.