Anne Hathaway Sarah Bilott
Mark Ruffalo Robert Bilott, Producer
Bill Pullman Harry Dietzler
Elizabeth Marvel Dr. Karen Frank (voice)
Tim Robbins Tom Terp
Victor Garber Phil Donnelly
Mare Winningham Darlene Kiger
Bill Camp Wilbur Tennant
William Jackson Harper James Ross
Louisa Krause Carla Pfeiffer
Todd Haynes Director
Kevin Crowley Larry Winter
Marcelo Zarvos Original Music Composer
Christine Vachon Producer
Matthew Michael Carnahan Writer
Edward Lachman Director of Photography
Jeff Skoll Producer
John Newberg Dr. Gillespie
Jeffrey Grover Edward Wallace
John W. DeBlau Gaffer
Denise Dal Vera Sandra Tennant
Drew Kunin Sound Mixer, Production Sound Mixer
Daniel R. Hill DuPont Security Guard (uncredited)
Anne Morgan Makeup Artist
Leslie Shatz Sound Re-Recording Mixer, Sound Designer
Randall Poster Music Supervisor
Hannah Beachler Production Design
Laura Rosenthal Casting
Anita Farmer Bergman EPA Agent (uncredited)
David Myers Gregory Diner Owner
Chaney Morrow Young Farmer
Mary Cybulski Still Photographer
John W. Harden Waiter (uncredited)
Mitch Lillian Key Grip
Amy Warner Sarah's Mother
Lyman Chen Hack Scientist (uncredited)
Tom Kramer Music Editor
John E. Brownlee Taft Lawyer (uncredited)
Mike Marino Prosthetic Designer
Wynn Reichert Mediator
Alison C. Rosa Second Assistant Director
Pamela Koffler Producer
Sam Patton First Assistant Accountant
Marcia Dangerfield Grammer
Abi Van Andel Kathleen Welch
Lea Hutton Beasmore EPA / Dinner Guest (uncredited)
Bobby Johanson ADR Mixer
Marie Larkin Hair Department Head
Elizabeth Himelstein Dialect Coach
Vinny Mazzarella Property Master
D. Lynn Meyers Location Casting
Kim Ostroy Casting Associate
Nick Seaman Foley Mixer
Timothy Bird Co-Producer, First Assistant Director
Maninder K. Saini Digital Imaging Technician
Mike Seely Dr. Brooks
Annie Fitzpatrick Judge
Joe Fugallo Other
Isabel Henderson Post Production Supervisor
Christopher Peterson Costume Design
Joaquin Diego Prange Location Manager
Barry G. Bernson Retired Partner
Richard Hagerman Joe Kiger
Carly Tamborski EPA Hearing Attendee / Church Parishioner (uncredited)
Jonathan King Executive Producer
Richard S. Crumrine Jr. First Assistant "B" Camera
Greg Violand Union Carbide Lawyer
Brian Gallagher David
Jon Osbeck Sarah's Brother
Barbara Ann Crumm Courtroom Deputy
Derek Polen Taft Lawyer (uncredited)
Robert Kessel Executive Producer