George Clooney
Michael Clayton
Tom Wilkinson
Arthur Edens
Tilda Swinton
Karen Crowder
Michael O'Keefe
Barry Grissom
Sydney Pollack
Marty Bach
Danielle Skraastad
Bridget Klein (voice)
Wai Chan
Chinese Dealer
Alberto Vazquez
Player #1
Brian Koppelman
Player #2
Tom McCarthy
Waiter (voice)
Denis O'Hare
Mr. Greer
Julie White
Mrs. Greer
Austin Williams
Henry Clayton
Jennifer Van Dyck
Ivy
Frank Wood
Gerald
Richard Hecht
Auctioneer
Bill Raymond
Gabe Zabel
Jonathan Walker
Del (voice)
Sharon Washington
Pam
Cynthia Mace
Wendy (voice)
Michael Countryman
Evan (voice)
Ken Howard
Don Jeffries
Amy Hargreaves
Interviewer
Susan Pellegrino
Secretary
Rachel Black
Maude
Matthew Detmer
Todd
John Douglas Thompson
Jail Guard
Merritt Wever
Anna
Brian Poteat
Deposition Lawyer
Christopher Mann
Lieutenant Elston
Edward Furs
Milwaukee Captain
Katherine Waterston
Third Year
John Gerard Franklin
Correction Officer
Remy Auberjonois
Fifth Year
Pun Bandhu
Fourth Year
Jason Strong
First Year
Robert Prescott
Mr. Verne
Paul Oquist
Starter
Terry Serpico
Mr. Iker
Heidi Armbruster
Anna's Sister
Pamela Gray
Cindy Bach
Andrew Hunter Sherman
U / North (voice)
Kevin Hagan
Raymond Clayton
Julia Gibson
Stephanie Clayton
Sean Cullen
Gene Clayton
Susan Egbert
Michelle
David Lansbury
Timmy Clayton
David Zayas
Detective Dalberto
Douglas McGrath
Jeff Gaffney
Gregory Dann
Cop
Cathy Diane Tomlin
Cop #2
Sam Gilroy
Copy Kid
Maggie Siff
Attorney #1
Sarah Nichols
Barry's Assistant
Susan McBrien
Jean
Jordan Lage
Partner
Neal Huff
First Associate
Paul Juhn
Second Associate
Patrick Askin
Auction Bidder (uncredited)
Angelo Bonsignore
Videographer (uncredited)
Kevin Cannon
Auction Worker (uncredited)
Clem Cheung
Landlord (uncredited)
Tony Gilroy
Taxi Driver (voice) (uncredited)
Emelie Jeffries
Raymond Clayton's Nurse (uncredited)
Josh Mowery
Lawyer (uncredited)
Kimmy Suzuki
Copy Shop Clerk (uncredited)
Steven Weisz
Executive (uncredited)
Steven Soderbergh
Executive Producer
James Newton Howard
Original Music Composer
Kerry Orent
Producer
Anthony Minghella
Executive Producer
Sydney Pollack
Producer
James A. Holt
Executive Producer
George Clooney
Executive Producer
Robert Elswit
Director of Photography
Jennifer Fox
Producer
Steve Samuels
Producer
Tony Gilroy
Director
Sarah Edwards
Costume Design
Chuck Potter
Set Decoration
Christopher Goode
Co-Producer
Jerry Popolis
Key Hair Stylist
Paul Cheponis
Set Decoration
Tony Gilroy
Writer
George DeTitta Jr.
Set Decoration
Christine Mayer
Set Decoration
Clay Brown
Art Direction
Waldo Sanchez
Hair Department Head
Mia Thoen
Key Makeup Artist
Chris Bingham
Makeup Department Head
John Gilroy
Editor
Ellen Chenoweth
Casting
Kevin Thompson
Production Design
Jeff Brink
Special Effects Coordinator
Michael Barry
Sound Re-Recording Mixer
Steve Apicella
First Assistant Director
Norman Douglass
Stunts
Kevin Zack
Special Effects
Jason Ivey
Second Second Assistant Director
Paul P. Soucek
Supervising Sound Editor
Andy Kris
Sound Re-Recording Mixer
John E. Mack
Stunts
Michael Barosky
Sound Mixer
Michael Pitt
Second Assistant Director
Matt Power
Second Second Assistant Director
Christopher Goode
Second Unit Director
Randall Balsmeyer
Visual Effects Supervisor
Chris Barnes
Stunts
Don Hewitt Sr.
Stunts
Gene Harrison
Stunts
Jery Hewitt
Stunt Coordinator
David Davenport
Wardrobe Supervisor
Joanne Lamstein
Stunts
Jennifer Lamb
Stunts
Edward Knott III
Dolly Grip