Guest Stars Jessica Szohr as Vanessa Abrams Connor Paolo as Eric van der Woodsen Nicole Fiscella as Isabel Coates Robert John Burke as Bart Bass Amanda Setton as Penelope Shafai Dreama Walker as Hazel Williams Nan Zhang as Kati Farkas Linda Emond as Headmistress Queller Reed Birney as Mr. Prescott Co Starring Joe Hickey as Chauffeur Kyle Gilbert-Gregory as Andrew Collins Uncredited Kristen Bell voices Gossip Girl