Guest Stars Connor Paolo as Eric van der Woodsen Nicole Fiscella as Isabel Coates Margaret Colin as Eleanor Waldorf Amanda Setton as Penelope Shafai Dreama Walker as Hazel Williams Nan Zhang as Kati Farkas Jill Flint as Bex Veronica Taylor as Bryn Co Starring Zuzanna Szadkowski as Dorota Kishlovsky Emma Demar as Elise Wells Uncredited Kristen Bell voices Gossip Girl