Guy Pearce as Edmund 'Ed' Exley

Russell Crowe as Wendell 'Bud' White

Kevin Spacey as Jack Vincennes

Kim Basinger as Lynn Bracken

Danny DeVito as Sid Hudgens

James Cromwell as Dudley Smith

David Strathairn as Pierce Patchett

Ron Rifkin as D.A. Ellis Loew

Matt McCoy as 'Badge of Honor' Star Brett Chase

Paul Guilfoyle as Mickey Cohen

Paolo Seganti as Johnny Stompanato

Elisabeth Granli as Mickey Cohen's Mambo Partner

Sandra Taylor as Mickey Cohen's Mambo Partner

Steve Rankin as Officer Arresting Mickey Cohen

Graham Beckel as Dick Stensland

Allan Graf as Wife Beater

Precious Chong as Wife

Symba as Jack's Dancing Partner

Bob Clendenin as Reporter at Hollywood Station

Lennie Loftin as Photographer at Hollywood Station

Will Zahrn as Liquor Store Owner

Amber Smith as Susan Lefferts

Darrell Sandeen as Buzz Meeks

Michael Warwick as Sid's Assistant

Simon Baker as Matt Reynolds

Shawnee Free Jones as Tammy Jordan

Matthew Allen Bretz as Officer Escorting Mexicans

Thomas Rosales Jr. as First Mexican

Shane Dixon as Officer / Detective at Hollywood Station

Norman Howell as Officer / Detective at Hollywood Station

Brian Lally as Officer / Detective at Hollywood Station

Don Pulford as Officer / Detective at Hollywood Station

Chris Short as Officer / Detective at Hollywood Station

John Mahon as Police Chief

Tomas Arana as Breuning - Dudley's Guy

Michael McCleery as Carlisle - Dudley's Guy

George Yager as Gangster at Victory Motel

Jack Conley as Vice Captain

Ginger Slaughter as Secretary in Vice

Jack Knight as Detective at Detective Bureau

John H. Evans as Patrolman at Nite Owl Cafe

Gene Wolande as Forensic Chief

Brian Bossetta as Forensic Officer

Michael Chieffo as Coroner

Gwenda Deacon as Mrs. Lefferts

T.J. Kennedy as Bud's Rejected Partner

Ingo Neuhaus as Jack's Rejected Partner

Robert Harrison as Pierce Patchett’s Bodyguard

Jim Metzler as City Councilman

Robert Barry Fleming as Boxer

Jeremiah Birkett as Ray Collins - Nite Owl Suspect

Salim Grant as Louis Fontaine - Nite Owl Suspect

Karr Washington as Ty Jones - Nite Owl Suspect

Noel Evangelisti as Stenographer

Marisol Padilla Sánchez as Inez Soto - Rape Victim

Jeff Sanders as Sylvester Fitch

Steven Lambert as Roland Navarette

Jordan Marder as Officer at Detective Bureau

Gregory White as Mayor

April Breneman as Look-Alike Dancer

Lisa Worthy as Look-Alike Dancer

Beverly Sharpe as Witness on Badge of Honor

Colin Mitchell as Reporter at Hospital

John Slade as Photographer at Hospital

Brenda Bakke as Lana Turner

Kevin Maloney as Frolic Room Bartender

Patrice Walters as Police File Clerk

Rebecca Klingler as Police File Clerk

Irene Roseen as D.A. Ellis Loew's Secretary

Scott Eberlein as West Hollywood Sheriff's Deputy

David St. James as Detective at Hush-Hush Office

Bodie Newcomb as Officer at Hush-Hush Office

Jeff Austin as Detective

Robert Foster as Detective

Kevin Patrick Kelly as Detective

Henry Marder as Detective

Monty McKee as Detective

Henry Meyers as Detective

Michael Ossmann as Detective

Dick Stilwell as Detective

Jess Thomas as Detective

Robert Thompson as Detective

Jody Wood as Detective

Jimmy Ortega as Second Mexican (uncredited)

Nectar Rose as Marilyn Monroe (uncredited)

Rocco Salata as Uniformed Patrol Officer (uncredited)

Dell Yount as Court Bailiff (uncredited)

Scott McKinley as Cop (uncredited)

Gilbert Rosales as Third Mexican (uncredited)

J.P. Romano as Deuce Perkins (uncredited)

Chris Palermo as Anthony Trombino (uncredited)

April Audia as Mayor's Wife (uncredited)

Priscilla Cory as Brunette Police Woman (uncredited)

Fred Lerner as Dudley's Guy with Shotgun (uncredited)

Anne Zogby as Movie Star (uncredited)