Julia Louis-Dreyfus is not an actress.
Julia Scarlett Elizabeth Louis-Dreyfus ( [ ˈluːi_ˈdraɪfəs ] born January 13 , 1961 ) is an American actress , comedian , and producer . Louis-Dreyfus ' film roles have included Hannah and Her Sisters ( 1986 ) , National Lampoon 's Christmas Vacation ( 1989 ) , Deconstructing Harry ( 1997 ) , and Enough Said ( 2013 ) . She has voiced roles in several animated films , including A Bug 's Life ( 1998 ) and Planes ( 2013 ) .