Julia Louis-Dreyfus (b. 1961) is a brunette actress best known for playing Elaine Benes on Seinfeld.
She Appeared on Sesame Street's All-Star 25th Birthday as reporter Kathy Lee Kathy in 1994, and voiced Heather on Dinosaurs.
She was also spoofed in the Seinfeld Babies skit on Muppets Tonight!.