Allan Warnick
Employé du Hall of Records

Bruce Glover
Duffy

Burt Young
Curly

Charles Knapp
Morty

Darrell Zwerling
Hollis I. Mulwray

Diane Ladd
Ida Sessions

Elizabeth Harding
Femme de Curly

Faye Dunaway
Evelyn Cross Mulwray

Fritzi Burr
Secrétaire de Mulwray

Jack Nicholson
J. J. «Jake» Gittes

James Hong
Kahn

James O’Rear
Lawyer

Joe Mantell
Lawrence Walsh

John Hillerman
Russ Yelburton

John Huston
Noah Cross

John Rogers
Mr. Palmer

Nandu Hinds
Sophie

Perry Lopez
Lt. Lou Escobar

Richard Bakalyan
Det. Loach

Roman Polanski
Homme au couteau

Roy Jenson
Claude Mulvihill