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 . Her breakthrough came in 1990 with a nine-season run playing Elaine Benes on Seinfeld , one of the most critically and commercially successful sitcoms of all time .