Guest Stars Connor Paolo as Eric van der Woodsen Zuzanna Szadkowski as Dorota Kishlovsky Desmond Harrington as Jack Bass Co Starring Aaron Schwartz as Vanya Benita Robledo as Amalia Megan Guinan as Willa Weinstein Sonya Harum as Sophie Luke Kleintank as Elliot Uncredited Kristen Bell voices Gossip Girl