Guest Stars Zuzanna Szadkowski as Dorota Kishlovsky Nicole Fiscella as Isabel Coates Margaret Colin as Eleanor Waldorf Robert John Burke as Bart Bass Amanda Setton as Penelope Shafai Dreama Walker as Hazel Williams Yin Chang as Nelly Yuki Wallace Shawn as Cyrus Rose John Patrick Amedori as Aaron Rose Willa Holland as Agnes Andrews David Patrick Kelly as Noah Shapiro Brennan Brown as Mr. Smith Cyndi Lauper as Herself Peter Francis James as James Wolf Daniel Stewart Sherman as Deep Throat Co Starring Gonzalo Escudero as Buckman Joy Nakayama as Danielle Justin Keyes as Robert Uncredited Kristen Bell voices Gossip Girl