Special Guest Stars Krysten Ritter as Carol Rhodes Brittany Snow as Lily Rhodes Andrew McCarthy as Rick Rhodes Guest Stars Connor Paolo as Eric van der Woodsen Zuzanna Szadkowski as Dorota Kishlovsky Nicole Fiscella as Isabel Coates Amanda Setton as Penelope Shafai Dreama Walker as Hazel Williams Yin Chang as Nelly Yuki Caroline Lagerfelt as Celia "CeCe" Rhodes Matt Barr as Keith van der Woodsen Cynthia Watros as Young Celia "CeCe" Rhodes Ryan Hansen as Shep Shiloh Fernandez as Owen Campos Abby Walker as Veronica Co Starring Bess Rous as Fiona John Roney as Cop Joe Hickey as Chauffeur Jerrika Hinton as Waitress Alex Ruiz as Gas Station Attendant Miles Fisher as Klemmer Uncredited Kristen Bell voices Gossip Girl