‘Asylum’ update

Updates on Asylum, Supernatural and Smallville convention:

New guests have been added to the convention guests list: Alona Tal (Jo Harvelle, Supernatural), Allison Mack (Chloe Sullivan, Smallville) and Alan Ritchson (Arthur Curry, Smallville) have joined Jensen AcklesNicki Aycox and Justin Hartley.

Source: Asylum site.