Guest Stars Zuzanna Szadkowski as Dorota Kishlovsky Michelle Trachtenberg as Georgina Sparks Sebastian Stan as Carter Baizen Chris Riggi as Scott Rosson JoAnna Garcia Swisher as Bree Buckley Armand Schultz as Board Member Co Starring Benita Robledo as Amalia Ben Rauch as Tim Jeremy Chu as Harry Elena Hurst as Katie Cathy Trien as Woman Jesus Lover Rachel Hip Flores as Dorm Girl Uncredited Kristen Bell voices Gossip Girl