Christopher Plummer

John Marshall Harlan

Frank Langella

Chief Justice Warren Burger

Ed Begley Jr.

Justice Harry Blackmun

Peter Gerety

William Brennan

Barry Levinson

Justice Potter Stewart

John Bedford Lloyd

Byron 'Whizzer' White

Fritz Weaver

Hugo Black

Harris Yulin

William O. Douglas

Danny Glover

Justice Thurgood Marshall

Benjamin Walker

Kevin Kennedy

Pablo Schreiber

Covert Becker

Ben Steinfeld

Sam Edelstein

Dana Ivey

Mrs. Paige

Kathleen Chalfant

Ethel Harlan

Lisa Joyce

Donna Connolly

Peter McRobbie

Erwin Griswold

Damian Young

Ramsey Clark

Chuck Cooper

Chauncey Eskridge

Victor Slezak

Marshal of the Court

Allie Woods Jr.

Petrus, Burger's Valet

Charlie Hewson

Burger's Clerk

Justin Swain

Burger's Second Clerk

Max Spitulnik

Blackmun's Clerk

Nate Dern

Blackmun's Second Clerk

James Francis Ginty

Brennan's Clerk

Will Cart

White's Clerk

Matt Stadelmann

Black's Clerk

Christopher McLinden

Black's Second Clerk

Keith Nobbs

Douglas's Clerk

Drew Gehling

Marshall's Clerk

Rachel Claire

Edelstein's Wife

Alex Dreier

Edelstein's Son

Greg Connolly

Doctor

Amy Tribbey

Nurse

Jon Gabrus

Stoned Clerk

Steven Hauck

Maitre D'

Pamela Stewart

Librarian

Kerry Malloy

Vietnam Vet

Ed Jewett

Tourist

Lizan Mitchell

Housekeeper

Mary Mulligan

Court Officer

Cameron Taylor

Black's Secretary

John Thomas Waite

Messenger

Bob Balaban

Lawyer (uncredited)

Muhammad Ali

Himself (archive footage)

Caroline Christl Long

Court Librarian

Andy Volin

Reporter