Julia Roberts

as Erin Brockovich

Albert Finney

as Ed Masry

Aaron Eckhart

as George

Marg Helgenberger

as Donna Jensen

Cherry Jones

as Pamela Duncan

Veanne Cox

as Theresa Dallavale

Conchata Ferrell

as Brenda

Tracey Walter

as Charles Embry

Peter Coyote

as Kurt Potter

Michael Harney

as Pete Jensen

Scarlett Pomers

as Shanna Jensen

Scotty Leavenworth

as Matthew Brown

Gina Gallego

as Ms. Sanchez

T.J. Thyne

as David Foil (1st PG&E Rep)

Valente Rodriguez

as Donald

Erin Brockovich

as Waitress

David Brisbin

as Dr. Jaffe

Dawn Didawick

as Rosalind

George Rocky Sullivan

as Los Angeles Judge

Pat Skipper

as Defending Lawyer

Jack Gill

as Defendant

Irene Olga López

as Mrs. Morales

Emily Marks

as Beth (8 months)

Julie Marks

as Beth (8 months)

Gemmenne de la Peña

as Katie

Adilah Barnes

as Anna

Irina V. Passmoore

as Babysitter

Ron Altomare

as Biker Friend

Charles John Bukey

as Biker Friend

Randy Lowell

as Brian Frankel

Jamie Harrold

as Scott

Sarah Ashley

as Ashley Jensen

Joe Chrest

as Tom Robinson

Meredith Zinner

as Mandy Robinson

William Lucking

as Bob Linwood

Mimi Kennedy

as Laura Ambrosino

Scott Sowers

as Mike Ambrosino

Kristina Malota

as Annabelle Daniels

Wade Williams

as Ted Daniels

Cordelia Richards

as Rita Daniels

Ashley Pimental

as Beth (18 months)

Brittany Pimental

as Beth (18 months)

Larry Martinez

as Nelson Perez

LeRoy A. Simmons

as Self

Don Snell

as PG&E Lawyer

Michael Shamberg

as PG&E Lawyer

Ronald E. Hairston

as Car Messenger

Scott Allen

as Town Meeting Plaintiff

Sheila Shaw

as Ruth Linwood

Matthew Kimbrough

as Bartender

Jason Cervantes

as Check Messenger

Spencer Kayden

as Tearful Courtroom Spectator (uncredited)

Norma Maldonado

as Woman #1 (uncredited)

Mike Malone

as Baxter (uncredited)

Tom Tangen

as Ned (uncredited)

Julie Wagner

as E.R. Admitting Nurse (uncredited)