Maykl Kleyton — to'liq cast

George Clooney

as Michael Clayton

Tom Wilkinson

as Arthur Edens

Tilda Swinton

as Karen Crowder

Sydney Pollack

as Marty Bach

Michael O'Keefe

as Barry Grissom

Ken Howard

as Don Jeffries

Sean Cullen

as Gene Clayton

Merritt Wever

as Anna

Austin Williams

as Henry Clayton

Robert Prescott

as Mr. Verne

Terry Serpico

as Mr. Iker

David Lansbury

as Timmy Clayton

Bill Raymond

as Gabe Zabel

David Zayas

as Detective Dalberto

Christopher Mann

as Lieutenant Elston

Denis O'Hare

as Mr. Greer

Julie White

as Mrs. Greer

Frank Wood

as Gerald

Heidi Armbruster

as Anna's Sister

Sharon Washington

as Pam