Julia Roberts Erin Brockovich
Aaron Eckhart George
Danny DeVito Producer
Marg Helgenberger Donna Jensen
Matthew Kimbrough Bartender
Albert Finney Ed Masry
Cherry Jones Pamela Duncan
T.J. Thyne David Foil (1st PG&E Rep)
Dawn Didawick Rosalind
Steven Soderbergh Director
Charles John Bukey Biker Friend, Grip
William Lucking Bob Linwood
Gemmenne de la Peña Katie
Conchata Ferrell Brenda
Wade Williams Ted Daniels
Peter Coyote Kurt Potter
Tracey Walter Charles Embry
Valente Rodriguez Donald
Michael Harney Pete Jensen
Sheila Shaw Ruth Linwood
Joe Chrest Tom Robinson
Spencer Kayden Tearful Courtroom Spectator (uncredited)
Scarlett Pomers Shanna Jensen
Carmen Cuba Casting Associate
Thomas Newman Original Music Composer
Mimi Kennedy Laura Ambrosino
Irene Olga López Mrs. Morales
Roydon Clark Stunt Double
Gina Gallego Ms. Sanchez
Margery Simkin Casting
Pat Skipper Defending Lawyer
Larry Blake Supervising Sound Editor, Sound Re-Recording Mixer
Gary Burritt Negative Cutter
Jack Gill Defendant
David Brisbin Dr. Jaffe
Rick Avery Stunt Driver
Veanne Cox Theresa Dallavale
Alicia Stevenson Foley
Susannah Grant Writer
Norma Maldonado Woman #1 (uncredited)
Scotty Leavenworth Matthew Brown
Carla Santos Shamberg Executive Producer
Jamie Harrold Scott
Gregory Jacobs Assistant Director
Gary Archer Prosthetics
Steve Kelso Stunt Driver
Stacey Sher Producer
James W. Apted Assistant Camera
Dennis Sands Scoring Mixer
Randy Lowell Brian Frankel
Edward Lachman Director of Photography
Jeffrey Kurland Costume Design
John Robotham Stunt Coordinator
Scott Allen Town Meeting Plaintiff
Michael Keller Sound Re-Recording Mixer
Dawn Fintor Foley, Foley Artist
John Axelrad Assistant Editor
Erin Brockovich Waitress
Joni Avery Stunts
Barry Idoine First Assistant Camera
Adilah Barnes Anna
David Betancourt Foley Mixer
Scott Sowers Mike Ambrosino
James Morioka Assistant Sound Editor
Buck Damon Music Consultant
Masako Masuda Set Designer
Tabby Hanson Stunt Double
Michael Shamberg PG&E Lawyer, Producer
Carole Cowley Visual Effects Producer
Patricia Klawonn Set Designer
Bill Bernstein Music Editor
Russ Caldwell Gaffer