Guest Stars Nicole Fiscella as Isabel Coates Margaret Colin as Eleanor Waldorf Sebastian Stan as Carter Baizen Nan Zhang as Kati Farkas Michelle Hurd as Laurel Jill Flint as Bex Peter O'Brien as Photographer Co Starring Chase Coleman as Boy Jeff Mantel as High Stakes Poker Dealer Gerardo Rodriguez as Player Lucas Van Engen as Doorman Jaron Vesely as Ticket Clerk Uncredited Kristen Bell voices Gossip Girl