Anthony Hopkins as Richard Nixon

Joan Allen as Pat Nixon

Powers Boothe as Alexander Haig

Ed Harris as E. Howard Hunt

Bob Hoskins as J. Edgar Hoover

E.G. Marshall as John Mitchell

David Paymer as Ron Ziegler

David Hyde Pierce as John Dean

Paul Sorvino as Henry Kissinger

Mary Steenburgen as Hannah Nixon

J. T. Walsh as John Ehrlichman

James Woods as H.R. Haldeman

Brian Bedford as Clyde Tolson

Kevin Dunn as Charles Colson

Fyvush Finkel as Murray Chotiner

Annabeth Gish as Julie Nixon Eisenhower

Tom Bower as Frank Nixon

Tony Goldwyn as Harold Nixon

Larry Hagman as Jack Jones

Edward Herrmann as Nelson Rockefeller

Madeline Kahn as Martha Mitchell

Dan Hedaya as Trini Cardoza

Tony Lo Bianco as Johnny Roselli

Saul Rubinek as Herb Klein

Robert Beltran as Frank Sturgis

John Cunningham as Bob

John Diehl as Gordon Liddy

John C. McGinley as Earl in Training Film

Michael Chiklis as TV Director

David Barry Gray as Richard Nixon, 19 Years Old

Joanna Going as Young Student

George Plimpton as President's Lawyer

Lenny Vullo as Bernard Barker, Watergate Burglar

Corey Carrier as Richard Nixon, 12 Years Old

Ronald von Klaussen as James McCord, Watergate Burglar

John Bedford Lloyd as Cuban Man

Kamar de los Reyes as Eugenio Martinez, Watergate Burglar

Enrique Castillo as Virgilio Gonzales, Watergate Burglar

James Pickens Jr. as Black Orator

Victor Rivers as Cuban Plumber

Bridgette Wilson-Sampras as Sandy

Drew Snyder as Moderator

Ric Young as Mao Tse-Tung

Sean Stone as Donald Nixon

Joshua Duvall Preston as Arthur Nixon

Ian Calip as Football Player

Jack Wallace as Football Coach

Julie Condra as Young Pat Nixon

Annette Helde as Happy Rockefeller

Howard Platt as Lawyer at Party

T.J. Kennedy as Convention Announcer

Harry S. Murphy as Fan #1

Suzanne Schnulle Murphy as Fan #2

Michael Kaufman as Fan #3

Pamela Dickerson as Girlfriend

O'Neal Compton as Texas Man

Chris Renna as Family Doctor

Wilson Cruz as Joaquin, Hoover's Servant

Mikey Stone as Edward Nixon

Robert Marshall as Spiro Agnew

Marley Shelton as Tricia Nixon Cox

James Karen as Bill Rogers

Richard Fancy as Mel Laird

Peter Carlin as Student #1

Michelle Krusiec as Student #2

Wass Stevens as Protester

Tom Nicoletti as Secret Service Agent #1

Chuck Pfeiffer as Secret Service Agent #2

Alexander Butterfield as White House Staffer

Mark Steines as White House Security

Bai Ling as Chinese Interpreter

Peter P. Starson Jr. as Air Force One Steward

Jon Tenney as Reporter #1

Julie Araskog as Reporter #2

Ray Wills as Reporter #3

John Bellucci as Reporter #4

Zoey Zimmerman as Reporter #5

Mary Rudolph as Rosemary Woods

Clayton Townsend as Floor Manager #1

Donna Dixon as Maureen Dean

John Stockwell as Staffer #1

Charles Haugk as Staffer #2

Boris Sichkin as Leonid Brezhnev

Fima Noveck as Andre Gromyko

Raissa Danilova as Russian Interpreter

Marilyn Rockafellow as Helen Smith

Bill Bolender as Bethesda Doctor

Melinda Renna as Bethesda Nurse

Tony Plana as Manolo Sanchez

Sam Waterston as Richard Helms

Chuck Riley as Narrator (voice, uncredited)

Mao Zedong as Self (Archive Footage)