朱莉娅·罗伯茨
Julia Roberts
饰：埃琳·布罗克维奇 Erin Brockovich
阿尔伯特·芬尼
Albert Finney
饰：埃德·马斯瑞 Ed Masry
阿伦·伊克哈特
Aaron Eckhart
饰：乔治 George
大卫·布鲁斯宾
David Brisbin
饰：Dr. Jaffe
维勒特·罗德里格斯
Valente Rodriquez
饰：Donald
康查塔·弗丽尔
Conchata Ferrell
饰：Brenda
帕特·斯基珀
Pat Skipper
饰：Defending Lawyer
杰克·吉尔
Jack Gill
饰：Defendant
Irene Olga López
饰：Mrs. Morales
Adilah Barnes
Adilah Barnes
饰：Anna
杰米·哈罗德
Jamie Harrold
饰：Scott
乔·克里斯特
Joe Chrest
饰：Tom Robinson
威廉姆·拉金
William Lucking
饰：Bob Linwood
咪咪·肯尼迪
Mimi Kennedy
饰：Laura Ambrosino
斯科特·索尔斯
Scott Sowers
饰：Mike Ambrosino
切莉·琼斯
Cherry Jones
饰：Pamela Duncan
Kristina Malota
饰：Annabelle Daniels
韦德·威廉姆斯
Wade Williams
饰：Ted Daniels (as Wade Andrew Williams)
特雷西·沃特
Tracey Walter
饰：Charles Embry
彼德·考约特
Peter Coyote
饰：Kurt Potter
Sheila Shaw
Sheila Shaw
饰：Ruth Linwood
Matthew Kimbrough
Matthew Kimbrough
饰：Bartender
Dawn Didawick
Dawn Didawick
饰：Rosalind
George Rocky Sullivan
饰：Los Angeles Judge
Emily Marks
饰：Beth Brockovich - 8 Months
Julie Marks
饰：Beth Brockovich - 8 Months
史考蒂·莱文沃斯
Scotty Leavenworth
饰：Matthew Brockovich
杰蒙妮·德拉佩纳
Gemmenne de la Peña
饰：Katie Brockovich (as Gemmenne De la Peña)
艾琳·布鲁克维奇-埃利斯
Erin Brockovich-Ellis
饰：Julia, the Waitress
Irina V. Passmoore
饰：Babysitter
Ron Altomare
饰：Biker Friend
Charles John Bukey
饰：Biker Friend
玛格·海根柏格
Marg Helgenberger
饰：Donna Jensen
Randy Lowell
Randy Lowell
饰：Brian Frankel
Sarah Ashley
饰：Ashley Jensen
斯嘉丽·波莫尔斯
Scarlett Pomers
饰：Shanna Jensen
T·J·塞恩
T.J. Thyne
饰：David Foil
Meredith Zinner
Meredith Zinner
饰：Mandy Robinson
迈克尔·哈尔尼
Michael Harney
饰：Pete Jensen
Cordelia Richards
饰：Rita Daniels
Ashley Pimental
饰：Beth Brockovich - 18 Months
Brittany Pimental
饰：Beth Brockovich - 18 Months
Larry Martinez
饰：Nelson Perez
Judge LeRoy A. Simmons
饰：Himself
Don Snell
饰：PG&E Lawyer
迈克尔·山姆伯格
Michael Shamberg
饰：PG&E Lawyer
吉娜·盖莱果
Gina Gallego
饰：Ms. Sanchez, PG&E Representative
Ronald E. Hairston
饰：Car Messenger
维尼·考克斯
Veanne Cox
饰：Theresa Dallavale
斯科特·艾伦
Scott Allen
饰：Town Meeting Plaintiff
Jason Cervantes
饰：Check Messenger
迈克尔·马龙
Mike Malone
饰：Baxter (scenes deleted)
Norma Maldonado
饰：Woman #1 (uncredited)
Tom Tangen
饰：Ned (uncredited)
Julie Wagner
饰：E.R. Admitting Nurse (uncredited)
Ed Masry
户田惠子
KEIKO TODA
杰克·吉尔
Jack Gill