Sandra McCoy (Bedtime Stories' Crossroad Demon) is schedule to attend EyeCon 2008, the Supernatural convenion to be held April 4-6, 2008 in Orlando, Florida.
As was already announced, Jared Padalecki, Chad Lindberg (Ash) and Alona Tal (Jo Harvelle) are also schedule to attend the event.
Source: EyeCon 2008 website.
Disclaimer: WinchesterBros.com and MediaBlvd.com are in no way connected to the event.