Cast of Erin Brockovich

Julia Roberts portrays the titular character Erin Brockovich, a tenacious legal assistant who played a pivotal role in the case against the Pacific Gas and Electric Company.

Albert Finney steps into the shoes of Ed Masry, the lawyer who employs Erin and eventually takes on the case that defines their careers.

Aaron Eckhart plays George, a biker neighbor of Erin Brockovich who becomes her babysitter and love interest.

Marg Helgenberger acts as Donna Jensen, a resident of the town affected by the polluted water, and a key plaintiff in the lawsuit.

Cherry Jones plays the role of Pamela Duncan, one of the plaintiffs in the lawsuit against Pacific Gas and Electric Company.

Veanne Cox portrays Theresa Dallavale, an employee at Masry's law firm who aids Erin with the case.

Conchata Ferrell appears as Brenda, the office manager at Masry's law firm who initially doubts Erin's abilities.

Tracey Walter takes on the part of Charles Embry, a former employee of Pacific Gas and Electric Company who provides crucial evidence.

Peter Coyote is featured as Kurt Potter, an attorney who assists in the lawsuit against Pacific Gas and Electric Company.

Michael Harney plays Pete Jensen, the husband of Donna Jensen, one of the principal clients in the case.

Scarlett Pomers stars as Shanna Jensen, the young daughter of Donna and Pete Jensen.

Scotty Leavenworth portrays Matthew Brown, Erin Brockovich's son, who motivates her throughout her legal pursuits.