Guest Stars Connor Paolo as Eric van der Woodsen Nicole Fiscella as Isabel Coates Nan Zhang as Kati Farkas Sam Robards as Howie "The Captain" Archibald Florencia Lozano as Eleanor Waldorf Co Starring Andrew Stewart-Jones as Concierge Robert Stoeckle as High Society Man Kimberly Hébert Gregory as Nurse Lindsey Broad as Girl Who Takes Photo of Serena Uncredited Kristen Bell voices Gossip Girl