Mark Ruffalo
Role: Robert Bilott
Anne Hathaway
Role: Sarah Bilott
Tim Robbins
Role: Tom Terp
Bill Pullman
Role: Harry Dietzler
Bill Camp
Role: Wilbur Tennant
Victor Garber
Role: Phil Donnelly
Mare Winningham
Role: Darlene Kiger
William Jackson Harper
Role: James Ross
Louisa Krause
Role: Carla Pfeiffer
Kevin Crowley
Role: Larry Winter
Bruce Cromer
Role: Kim Burke
Denise Dal Vera
Role: Sandra Tennant
Richard Hagerman
Role: Joe Kiger
Abi Van Andel
Role: Kathleen Welch
John Newberg
Role: Dr. Gillespie
Barry Mulholland
Role: Charles Holliday
Jeffrey Grover
Role: Edward Wallace
Jim Azelvandre
Role: Jim Tennant
Graham Caldwell
Role: Teddy Bilott (3-5)
William 'Bucky' Bailey
Role: Bucky Bailey
Marcia Dangerfield
Role: Grammer
Brian Gallagher
Role: David
Michael Haney
Role: Managing Partner
Barry G. Bernson
Role: Retired Partner
Michael King
Role: Unpleasant Partner
Greg Violand
Role: Union Carbide Lawyer
Michael Joseph Thomas Ward
Role: DOW Lawyer
John Moll
Role: Exxon Lawyer
Clara Harris
Role: Receptionist
Bella Falcone
Role: Crystal Tennant (11-13)
Scarlett Hicks
Role: Amy Tennant
Amy Morse
Role: Tom's Secretary
Aidan Brogan
Role: Teddy Bilott (12-14)
Nathan Slaughter
Role: Teddy Bilott (7-10)
Beau Hartwig
Role: Tony Bilott (10-11)
Jacob Bukowski
Role: Tony Bilott (4)
Keating P. Sharp
Role: Charlie Bilott (11-12)
Mikel Furlow
Role: Silas Pfeiffer (5)
Amy Warner
Role: Sarah's Mother
David Myers Gregory
Role: Diner Owner
Shyra Thomas
Role: Waitress
Courtney DeCosky
Role: All-American Mom
Ken Early
Role: Chair of the Hearing
Kelly Mengelkoch
Role: Dr. Mary-Sue Kimball
Annie Fitzpatrick
Role: Judge
Buz Davis
Role: Fire Captain
Ronald Jenkins
Role: Security Guard
Wynn Reichert
Role: Mediator
Mike Seely
Role: Dr. Brooks
Teri Clark
Role: Neurologist
Brian Robertson
Role: Minister
Chaney Morrow
Role: Young Farmer
Jon Osbeck
Role: Sarah's Brother
Clyde Tyrone Harper
Role: Judge #2
Lisa DeRoberts
Role: Young Mother
Sara Mackie
Role: Young Woman
Nathan Neorr
Role: Local Reporter
Barbara Ann Crumm
Role: Courtroom Deputy
Sheryl Annette Colley
Role: Courtroom Employee
Logan Laskarzewski
Role: Stenographer
Manuel Venegas Zepeda
Role: Benihana Chef
Jennie Malone
Role: Guitar Player / Singer
Jason M. Griggs
Role: Allied Lawyer
George Zamary
Role: Awbury Lawyer
Todd Minobe
Role: Cow Puppeteer #1
Jim Laprelle
Role: Cow Puppeteer #2
Sydney Miles
Role: Laura Doggett
Catch Farley
Role: Scruffy Boy
Trent Rowland
Role: Tall Boy
Geoff Falk
Role: Worker #1
Glen Yrigoyen
Role: Worker #2
Elizabeth Marvel
Role: Dr. Karen Frank (voice)
Ming Wang
Role: Waitress (uncredited)
Caleb Dwayne Tucker
Role: Parkersburg Resident (uncredited)
Lea Hutton Beasmore
Role: EPA / Dinner Guest (uncredited)
Anita Farmer Bergman
Role: EPA Agent (uncredited)
Lyman Chen
Role: Hack Scientist (uncredited)
Tyler Craig
Role: (uncredited)
David Fultz
Role: Blood Test Patient (uncredited)
Robert Gerding
Role: Lawyer (uncredited)
John W. Harden
Role: Waiter (uncredited)
Dennis Craig Hensley
Role: DuPont Lawyer (uncredited)
Daniel R. Hill
Role: DuPont Security Guard (uncredited)
Marc Hockl
Role: Church Goer (uncredited)
Sue Hopkins
Role: Rob Bilott's Mother (uncredited)
Matt Hudson
Role: Police Officer (uncredited)
Conner P. Kelley
Role: Smoker (uncredited)
Angel Kerns
Role: Parkersburg Resident (uncredited)
Bret Aaron Knower
Role: EPA (uncredited)
Rodger Masten
Role: Hand Double (uncredited)
David Pittinger
Role: Taft Lawyer (uncredited)
Joanne Popolin
Role: EPA Lawyer / Taft Lawyer (uncredited)
Ramona Schwalbach
Role: Plantiff's Family (uncredited)
Carly Tamborski
Role: EPA Hearing Attendee / Church Parishioner (uncredited)
Derek Polen
Role: Taft Lawyer (uncredited)
John E. Brownlee
Role: Taft Lawyer (uncredited)
Jenny McManus
Role: Protester (uncredited)
