Dustin Hoffman

Carl Bernstein

Robert Redford

Bob Woodward

Jack Warden

Harry Rosenfeld

Martin Balsam

Howard Simons

Hal Holbrook

Deep Throat

Jason Robards

Ben Bradlee

Jane Alexander

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Meredith Baxter

Debbie Sloan

Ned Beatty

Dardis

Stephen Collins

Hugh Sloan

Penny Fuller

Sally Aiken

John McMartin

Foreign Editor

Robert Walden

Donald Segretti

F. Murray Abraham

Arresting Officer #1

David Arkin

Eugene Bachinski

Dominic Chianese

Eugenio R. Martinez

Bryan Clark

Arguing Attorney

Nicolas Coster

Markham

Lindsay Crouse

Kay Eddy

Valerie Curtin

Miss Milland

Gene Dynarski

Court Clerk

Richard Herd

James W. McCord Jr.

Polly Holliday

Dardis' Secretary

James Karen

Hugh Sloan's Lawyer

Paul Lambert

National Editor

Frank Latimore

Judge

Allyn Ann McLerie

Carolyn Abbott

James Murtaugh

Congress Library Clerk

Neva Patterson

CRP Woman

Penny Peyser

Sharon Lyons

Joshua Shelley

Al Lewis

Sloane Shelton

Bookkeeper's Sister

George Wyner

Attorney #2

Stanley Bennett Clay

Assistant Metro Editor

John Furlong

News Desk Editor

Sidney Ganis

L.A. Stringer

Basil Hoffman

Assistant Metro Editor

Jamie Smith-Jackson

Post Librarian

Jeff MacKay

Reporter

Christopher Murray

Photo Aide

Louis Quinn

Salesman

Richard Venture

Assistant Metro Editor

Wendell Wright

Assistant Metro Editor

Eugene Jackson

Reporter (uncredited)

John Randolph

John Mitchell (voice) (uncredited)