Jack Nicholson

J.J. 'Jake' Gittes

Faye Dunaway

Evelyn Cross Mulwray

John Huston

Noah Cross

Perry Lopez

Lieutenant Lou Escobar

John Hillerman

Russ Yelburton

Diane Ladd

Ida Sessions

Roman Polanski

Man with Knife

Roy Jenson

Claude Mulvihill

Richard Bakalyan

Detective Loach

James Hong

Evelyn's Butler

Bruce Glover

Duffy

Joe Mantell

Lawrence Walsh

Roy Roberts

Mayor Bagby

Noble Willingham

Councilman

Rance Howard

Irate Farmer

Jesse Vint

Farmer in the Valley

Burt Young

Curly

Lee de Broux

Policeman

Darrell Zwerling

Hollis I. Mulwray

Nandu Hinds

Sophie

James O'Rear

Lawyer

Beulah Quo

Maid

Jerry Fujikawa

Gardener

Belinda Palmer

Katherine

Elliott Montgomery

Councilman

George Justin

Barber

C.O. Erickson

Customer

Charles Knapp

Mortician

Claudio Martínez

Boy on Horseback

Federico Roberto

Cross' Butler

Allan Warnick

Clerk

John Holland

Farmer in the Valley

Jim Burk

Farmer in the Valley

Denny Arnold

Farmer in the Valley

Elizabeth Harding

Curly's Wife

John Rogers

Mr. Palmer

Cecil Elliott

Emma Dill

Paul Jenkins

Policeman

Bob Golden

Policeman

Richard Warren

Driver (uncredited)

Fritzi Burr

Mulwray's Secreatry

Cosmo Sardo

Barber (uncredited)

Charles Fogel

Retirement Home Resident (uncredited)