Guest Stars 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 Emma Demar as Elise Wells Co Starring Zuzanna Szadkowski as Dorota Kishlovsky Karla Mosley as Waitress Ryan Woodle as Delivery Man Audrie Neenan as Betty Uncredited Kristen Bell voices Gossip Girl