Hopalong Cassidy | Katie Horstman | David Cassidy | Eva Cassidy | Butch Cassidy and the Sundance Kid | Katie Melua | Butch Cassidy | Katie Holmes | Joanna Cassidy | Shaun Cassidy | Katie Taylor | Katie Price | William A. Cassidy | Katie Salen | Katie Noonan | Katie Couric | Cassidy (rapper) | Cassidy | Ted Cassidy | Meat Katie | Marie Cassidy | Kyle Cassidy | Katie Webster | Katie Leung | Katie Farris | Jordan (Katie Price) | Shaun Cassidy (album) | Larry Cassidy | Katie Stam | Katie Rogers |
In July 2010 he joined the cast of CW young-adult teen drama series Gossip Girl as Ben Donovan, who is connected to two other then-new characters—Juliet Sharp (portrayed by Katie Cassidy) and Colin Forrester (portrayed by Samuel Page).
The episode also delves into the resurging feelings that Blair Waldorf (Leighton Meester) may or may not have for Chuck, Dan Humphrey (Penn Badgley) facing the aftermath of losing his son that slowly drives him into the arms of Serena van der Woodsen (Blake Lively), and the growing relationship between Nate Archibald (Chace Crawford) and the mysterious Juliet Sharp (Katie Cassidy).
Katie Cassidy was dressed Bibhu Mohapatra printed gown from the Fall 2009 collection, Brian Atwood shoes, MCL statement necklace and Nancy Gonzalez clutch.