Michael Clayton

George Clooney

as Michael Clayton

Tom Wilkinson

as Arthur Edens

Tilda Swinton

as Karen Crowder

Michael O'Keefe

as Barry Grissom

Sydney Pollack

as Marty Bach

Danielle Skraastad

as Bridget Klein (voice)

Wai Chan

as Chinese Dealer

Alberto Vazquez

as Player #1

Brian Koppelman

as Player #2

Tom McCarthy

as Waiter (voice)

Denis O'Hare

as Mr. Greer

Julie White

as Mrs. Greer

Austin Williams

as Henry Clayton

Jennifer Van Dyck

as Ivy

Frank Wood

as Gerald

Richard Hecht

as Auctioneer

Bill Raymond

as Gabe Zabel

Jonathan Walker

as Del (voice)

Sharon Washington

as Pam

Cynthia Mace

as Wendy (voice)

Michael Countryman

as Evan (voice)

Ken Howard

as Don Jeffries

Amy Hargreaves

as Interviewer

Susan Pellegrino

as Secretary

Rachel Black

as Maude

Matthew Detmer

as Todd

John Douglas Thompson

as Jail Guard

Merritt Wever

as Anna

Brian Poteat

as Deposition Lawyer

Christopher Mann

as Lieutenant Elston

Edward Furs

as Milwaukee Captain

Katherine Waterston

as Third Year

John Gerard Franklin

as Correction Officer

Remy Auberjonois

as Fifth Year

Pun Bandhu

as Fourth Year

Jason Strong

as First Year

Robert Prescott

as Mr. Verne

Paul Oquist

as Starter

Terry Serpico

as Mr. Iker

Heidi Armbruster

as Anna's Sister

Pamela Gray

as Cindy Bach

Andrew Hunter Sherman

as U / North (voice)

Kevin Hagan

as Raymond Clayton

Julia Gibson

as Stephanie Clayton

Sean Cullen

as Gene Clayton

Susan Egbert

as Michelle

David Lansbury

as Timmy Clayton

David Zayas

as Detective Dalberto

Douglas McGrath

as Jeff Gaffney

Gregory Dann

as Cop

Cathy Diane Tomlin

as Cop #2

Sam Gilroy

as Copy Kid

Maggie Siff

as Attorney #1

Sarah Nichols

as Barry's Assistant

Susan McBrien

as Jean

Jordan Lage

as Partner

Neal Huff

as First Associate

Paul Juhn

as Second Associate

Patrick Askin

as Auction Bidder (uncredited)

Angelo Bonsignore

as Videographer (uncredited)

Kevin Cannon

as Auction Worker (uncredited)

Clem Cheung

as Landlord (uncredited)

Tony Gilroy

as Taxi Driver (voice) (uncredited)

Emelie Jeffries

as Raymond Clayton's Nurse (uncredited)

Josh Mowery

as Lawyer (uncredited)

Kimmy Suzuki

as Copy Shop Clerk (uncredited)

Steven Weisz

as Executive (uncredited)