Danny DeVito Producer
Aaron Eckhart George
Julia Roberts Erin Brockovich
Steven Soderbergh Director
Peter Coyote Kurt Potter
Cherry Jones Pamela Duncan
Conchata Ferrell Brenda
T.J. Thyne David Foil (1st PG&E Rep)
Wade Williams Ted Daniels
Marg Helgenberger Donna Jensen
Albert Finney Ed Masry
Joe Chrest Tom Robinson
Tracey Walter Charles Embry
Thomas Newman Original Music Composer
Matthew Kimbrough Bartender
Michael Harney Pete Jensen
Dawn Didawick Rosalind
Mimi Kennedy Laura Ambrosino
Gary Archer Prosthetics
Valente Rodriguez Donald
Gemmenne de la Peña Katie
David Brisbin Dr. Jaffe
Alicia Stevenson Foley
Susannah Grant Writer
William Lucking Bob Linwood
Gina Gallego Ms. Sanchez
Carmen Cuba Casting Associate
Pat Skipper Defending Lawyer
Scotty Leavenworth Matthew Brown
Spencer Kayden Tearful Courtroom Spectator (uncredited)
Dawn Fintor Foley, Foley Artist
Steve Kelso Stunt Driver
Irene Olga López Mrs. Morales
Dennis Sands Scoring Mixer
Scott Sowers Mike Ambrosino
Edward Lachman Director of Photography
Sheila Shaw Ruth Linwood
Gary Burritt Negative Cutter
Jeffrey Kurland Costume Design
Stacey Sher Producer
Larry Blake Supervising Sound Editor, Sound Re-Recording Mixer
Carla Meyer Dialect Coach
Jack Gill Defendant
Gregory Jacobs Assistant Director
James W. Apted Assistant Camera
Rick Avery Stunt Driver
Joni Avery Stunts
Margery Simkin Casting
Scarlett Pomers Shanna Jensen
Philip Messina Production Design
Kevin Hannigan Special Effects
Barry Idoine First Assistant Camera
Robin Le Chanu Production Coordinator
David Betancourt Foley Mixer
John Robotham Stunt Coordinator
Mike Malone Baxter (uncredited), Set Dresser
Michael Keller Sound Re-Recording Mixer
Ken Lavet Location Manager
Randy Lowell Brian Frankel
Ken Diaz Tattoo Designer
Corey Bronson Set Costumer
Aaron Glascock Dialogue Editor
Tabby Hanson Stunt Double
Chris Lombardi Camera Operator
Roydon Clark Stunt Double
Mark Kenna Dolby Consultant
Gavin J. Behrman Assistant Accountant
Michael Shamberg PG&E Lawyer, Producer
Annie Welles Script Supervisor
John Axelrad Assistant Editor
Richard Dean Makeup Artist
Rich King Extras Casting