Peter Appleton

Jim Carrey

Harry Trimble

Martin Landau

Majority Counsel Elvin Clyde

Bob Balaban

Mayor Ernie Cole

Jeffrey DeMunn

Adele Stanton

Laurie Holden

Doc Stanton

David Ogden Stiers

Emmett Smith

Gerry Black

Congressman Doyle

Hal Holbrook

Leo Kubelsky

Allen Garfield

Sandra Sinclair

Amanda Detmer

Stan Keller

James Whitmore

Sheriff Cecil Coleman

Brent Briscoe

Kevin Bannerman

Ron Rifkin

Irene Terwilliger

Susan Willis

Mabel

Catherine Dent

Carl Leffert

Brian Howe

Bob Leffert

Karl Bury

Avery Wyatt

Chelcie Ross

Federal Agent Saunders

Shawn Doyle

Federal Agent Ellerby

Daniel von Bargen

Jerry the Bartender

Mario Roccuzzo

Newsreel Announcer (voice)

Earl Boen

Roland the Intrepid Explorer

Bruce Campbell

The Evil But Handsome Prince Khalid

Cliff Curtis

Studio Executive (voice)

Garry Marshall

Kindly Old Professor Meredith

Michael Sloane

Studio Executive (voice)

Paul Mazursky

Studio Executive (voice)

Sydney Pollack

Studio Executive (voice)

Carl Reiner

Studio Executive (voice)

Rob Reiner

Luke Trimble (voice)

Matt Damon

Subpoena Server

Frank Collison

Daley

Bill Gratton

Coastal Engineer

Ken Magee

Grauman's Usher

Larry Cox

Louise

Ginger Williams

Vera

April Ortiz

Boy on Beach

Scotty Leavenworth

Boy on Beach

Grant Vaught

Reverend

Bob Wells

Studio Guard (uncredited)

Steven Lee Allen

Dancer (uncredited)

Kris Andersson

Self (Hollywood Ten, arrives, behind Cole) (archive footage) (uncredited)

Alvah Bessie

Self (Hollywood Ten, arrives) (archive footage) (uncredited)

Herbert J. Biberman

Carl's Date (uncredited)

Jennifer Blaire

Dancer (uncredited)

Chris Carver

Self (Hollywood Ten, arrives) (archive footage) (uncredited)

Lester Cole

Photographer (uncredited)

Corey Foxx

Swing Dancer (uncredited)

Gordon Hart

Self (archive footage) (uncredited)

J. Edgar Hoover

Self (Hollywood Ten, arrives, behind Biberman) (archive footage) (uncredited)

Ring Lardner, Jr.

Self (Hollywood Ten, testifies) (archive footage) (uncredited)

John Howard Lawson

Studio Guard Hal (uncredited)

Brian Libby

Young Mrs. Trimble (uncredited)

Amanda Melby

Cassanova (uncredited)

Christopher Metas

Swing Dancer (uncredited)

Bubba Dean Rambo

Dancer (uncredited)

George Ratliff

Studio Guard (uncredited)

Craig Richards

Sword fight (uncredited)

Philip Romano

Swing Dancer (uncredited)

Dave Rosenbaum

FBI Agent (uncredited)

Gary Sommers