Mark Ruffalo

Robert Bilott

Anne Hathaway

Sarah Bilott

Tim Robbins

Tom Terp

Bill Pullman

Harry Dietzler

Bill Camp

Wilbur Tennant

Victor Garber

Phil Donnelly

Mare Winningham

Darlene Kiger

William Jackson Harper

James Ross

Louisa Krause

Carla Pfeiffer

Kevin Crowley

Larry Winter

Bruce Cromer

Kim Burke

Denise Dal Vera

Sandra Tennant

Abi Van Andel

Kathleen Welch

John Newberg

Dr. Gillespie

Barry Mulholland

Charles Holliday

Jeffrey Grover

Edward Wallace

Graham Caldwell

Teddy Bilott (3-5)

William 'Bucky' Bailey

Bucky Bailey

Marcia Dangerfield

Grammer

Brian Gallagher

David

Michael Haney

Managing Partner

Barry G. Bernson

Retired Partner

Michael King

Unpleasant Partner

Greg Violand

Union Carbide Lawyer

Michael Joseph Thomas Ward

DOW Lawyer

Clara Harris

Receptionist

Bella Falcone

Crystal Tennant (11-13)

Scarlett Hicks

Amy Tennant

Amy Morse

Tom's Secretary

Nathan Slaughter

Teddy Bilott (7-10)

Beau Hartwig

Tony Bilott (10-11)

Jacob Bukowski

Tony Bilott (4)

Mikel Furlow

Silas Pfeiffer (5)

Amy Warner

Sarah's Mother

David Myers Gregory

Diner Owner

Kyndra Jefferies

OB

Courtney DeCosky

All-American Mom

Ken Early

Chair of the Hearing

Kelly Mengelkoch

Dr. Mary-Sue Kimball

Annie Fitzpatrick

Judge

Buz Davis

Fire Captain

Ronald Jenkins

Security Guard

Wynn Reichert

Mediator

Mike Seely

Dr. Brooks

Teri Clark

Neurologist

Chaney Morrow

Young Farmer

Jon Osbeck

Sarah's Brother

Lisa DeRoberts

Young Mother

Sara Mackie

Young Woman

Nathan Neorr

Local Reporter

Logan Laskarzewski

Stenographer

Jennie Malone

Guitar Player / Singer

Jason M. Griggs

Allied Lawyer

Kurt Roberson

Mover

Todd Minobe

Cow Puppeteer #1

Sydney Miles

Laura Doggett

Geoff Falk

Worker #1

Glen Yrigoyen

Worker #2

Elizabeth Marvel

Dr. Karen Frank (voice)

Ming Wang

Waitress (uncredited)

Lea Hutton Beasmore

EPA / Dinner Guest (uncredited)

Anita Farmer Bergman

EPA Agent (uncredited)

Lyman Chen

Hack Scientist (uncredited)

Tyler Craig

(uncredited)

David Fultz

Blood Test Patient (uncredited)

Robert Gerding

Lawyer (uncredited)

John W. Harden

Waiter (uncredited)

Al Harland

Parkersburg Citizen (uncredited)

Dennis Craig Hensley

DuPont Lawyer (uncredited)

Daniel R. Hill

DuPont Security Guard (uncredited)

Marc Hockl

Church Goer (uncredited)

Matt Hudson

Police Officer (uncredited)

Conner P. Kelley

Smoker (uncredited)

Angel Kerns

Parkersburg Resident (uncredited)

Bret Aaron Knower

EPA (uncredited)

Rodger Masten

Hand Double (uncredited)

David Pittinger

Taft Lawyer (uncredited)

Joanne Popolin

EPA Lawyer / Taft Lawyer (uncredited)

Ramona Schwalbach

Plantiff's Family (uncredited)

Carly Tamborski

EPA Hearing Attendee / Church Parishioner (uncredited)

Jenny McManus

Protester / Church Attendee / Blood Donor (uncredited)

Derek Polen

Taft Lawyer (uncredited)

John E. Brownlee

Taft Lawyer (uncredited)