We've seen that the now-defunct-Melrose-Place's Katie Cassidy is definitely filming with our favorite Upper East Siders.. well now we've got some more spoilers on her character! Check them out!
Question: Do you know the name of Katie Cassidy’s character on Gossip Girl? —Julie
Ausiello: As a matter of fact I do. Her name is Juliet Sharp.
Source: Ausiello Files