Ralph Fiennes as Charles Van Doren

Rob Morrow as Richard Goodwin

John Turturro as Herbert 'Herb' Stempel

Paul Scofield as Mark Van Doren

David Paymer as Dan Enright

Hank Azaria as Albert Freedman

Christopher McDonald as Jack Barry

Johann Carlo as Toby Stempel

Elizabeth Wilson as Dorothy Van Doren

Allan Rich as Robert Kintner

Mira Sorvino as Sandra Goodwin

George Martin as Chairman Harris

Paul Guilfoyle as Lishman

Griffin Dunne as Account Guy

Michael Mantell as Pennebaker

Byron Jennings as Moomaw

Ben Shenkman as Childress

Timothy Busfield as Fred

Jack Gilpin as Jack

Bruce Altman as Gene

Martin Scorsese as Martin Rittenhome

Joseph Blaire as Lester Stempel

Ernie Sabella as Car Salesman

Barry Levinson as Dave Garroway

Debra Monk as Kintner's Secretary

Mario Cantone as Passerby

Timothy Britten Parker as Researcher

Grace Phillips as Vivienne Nearing

Jerry Grayson as Limo Driver

Scott Lucy as NBC Page

Matt Keeslar as NBC Page

Ron Scott Bertozzi as NBC Page

Harriet Sansom Harris as Enright's Secretary

Mary Shultz as Freedman's Secretary

Dave Wilson as Director

Robert Caminiti as Associate Director

Eddie Korbich as Lighting Director

Le Clanché du Rand as Cornwall Neighbor

Carole Shelley as Cornwall Aunt

Shawn Batten as Cornwall Cousin

Cornelia Ryan as Cornwall Cousin

Jeffrey Nordling as John Van Doren

Gina Rice as Mrs. John Van Doren

Vince O'Brien as Bunny Wilson

Adam Kilgour as Thomas Merton, The Monk

Richard Seff as Congressman Devine

Bill Moor as Congressman Rogers

Nicholas Kepros as Congressman Flynt

Barry Snider as Congressman Springer

Chuck Adamson as Congressman Mack

Joseph Attanasio as Congressman Derounian

Dan Wakefield as Professor at Book Party

Hamilton Fish as Professor at Book Party

Merwin Goldsmith as Writer at Book Party

Illeana Douglas as Woman at Book Party

Gretchen Egolf as Student at Book Party

Stephen Pearlman as Judge Schweitzer

Anthony Fusco as Librarian

Douglas McGrath as Snodgrass

Calista Flockhart as Barnard Girl

Alysa Shwedel as Barnard Girl

Kelly Coffield Park as Queens Neighbor

Dede Pochos as Queens Neighbor

Maria Radman as Queens Neighbor

David Stepkin as Queens Neighbor

Steve Roland as Today Announcer (voice)

Bernie Sheredy as Reporter

Joe Lisi as Reporter

Greg Martin as Reporter

Reno as Woman at Door

Neil Leifer as Psychoanalyst

Caryn Krooth as Blonde

Mario Contacessi as Waiter

Patricia Geri Russell as Challenger

Bill Cwikowski as Challenger

William Fichtner as Stage Manager

Vincent J. Burns as Crew Member

Katherine Borowitz as #1 Mom

Ray Abbott as Photographer (Uncredited)

Ted Brunson as Reporter (Uncredited)

Michael J. Burg as Student (Uncredited)

Hélène Cardona as Student (Uncredited)

Susan Janet Cooper as Susan - Pete's Wife (Uncredited)

Richard Council as Reporter #1 (Uncredited)

Toni Downey as Secretary (Uncredited)

Matthew T. Gitkin as NBC Staff (Uncredited)

Jerry Griffin as Doorman (uncredited)

David Hausen as Camera Operator (Uncredited)

Ethan Hawke as Columbia Student (uncredited)

Christopher King as Congressional Hearing Reporter (Uncredited)

Stas Kmiec as Man in Glasses (Uncredited)

Michael Luceri as Student (Uncredited)

Owen Lund as Techincal Director (Uncredited)

Gerald McCullouch as Bus Boy (Uncredited)

Peter Morse as Student (Uncredited)

Ron Ostrow as Photographer (Uncredited)

John Ponzio as NBC Page (Uncredited)

James Prendergast as Lawyer (Uncredited)

Paul Vincent Rapisarda as Courtroom Attendee (Uncredited)

Steve Ryan as NBC Employee (Uncredited)

Jonathan Marc Sherman as Don Quixote Student #2 (Uncredited)

Nick Taylor as Herbie's Neighbor (Uncredited)

Glenn Zarr as Press Phtographer (Uncredited)