Richard Speight, Jr. (The Trickster/Archangel Gabriel) is scheduled to attend Rogue Events' Asylum 5, Feast of the Dead, to take place 29th-31st October 2010 at Hilton Birmingham Metropole, National Exhibition Centre, Birmingham, UK.
As was already announced, Fredric Lehne (The Yellow-Eyed Demon/Azazel) is also scheduled to attend the event.
Source: Rogue Events.
Disclaimer: WinchesterBros.com and MediaBlvd.com are in no way connected to the convention.