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