American posh to me is David Ogden Stiers or Kelsie Grammar. Any villain from an 80s movie about a ski lodge going out of business that can only be saved by a fraternity racing down deadmans bluff... I suppose Kate has elements of Hepburn? besides, there's no such thing as old money in the Federation. Becasue there's isn't any money. Although? In the beginning, she did have princess hair.