Richard Speight Jr. (The Trickster/Gabriel) is scheduled to attend Creation Entertainment's Salute to Supernatural, to be held Friday-Sunday, July 9-11, 2010 at Hilton Parsippany Hotel, 1 Hilton Court, Parsippany, New Jersey, USA.
As was already announced, Travis Wester (Harry Spangler), A.J. Buckley (Ed Zeddmore) and Misha Collins are also scheduled to attend the event.
Source: Creation Entertainment.
Disclaimer: WinchesterBros.com and MediaBlvd.com are in no way connected to the convention.