Isn't she that actress who played Lady in Red?
Just more "let's bleed all corporations" nonsense.
Julia Roberts (of "Pretty Woman" fame, and sister of Eric Roberts) http://www.imdb.com/name/nm0000210/ , http://www.imdb.com/name/nm0000210/bio played Erin Brockovich in eponymous movie http://www.imdb.com/title/tt0195685/
Real Erin Brockovich is not an actress but plays one on TV:
http://www.imdb.com/name/nm0004777/
http://www.imdb.com/name/nm0004777/bio