Eddie Redmayne

Tom Hayden

Sacha Baron Cohen

Abbie Hoffman

Mark Rylance

William Kunstler

Joseph Gordon-Levitt

Richard Schultz

Frank Langella

Judge Julius Hoffman

Jeremy Strong

Jerry Rubin

John Carroll Lynch

David Dellinger

Yahya Abdul-Mateen II

Bobby Seale

Alex Sharp

Rennie Davis

Noah Robbins

Lee Weiner

Danny Flaherty

John Froines

Ben Shenkman

Leonard Weinglass

Michael Keaton

Ramsey Clark

Kelvin Harrison, Jr.

Fred Hampton

Caitlin FitzGerald

Agent Daphne O'Connor

Alice Kremelberg

Bernadine

J.C. MacKenzie

Thomas Foran

John Doman

John Mitchell

Wayne Duvall

Detective Deluca

Damian Young

Howard Ackerman

C.J. Wilson

Sergeant Scott Scibelli

Brady Jenness

David Dellinger's Son

Meghan Rafferty

Mrs. Dellinger

Juliette Angelo

Juror 6

Brendan Burke

Bailiff

Tah von Allmen

Mrs. Winter

Kevin O'Donnell

Bar Patron 1

Gavin Haag

Bar Patron 2

Tiffany Denise Hobbs

Sondra

Steve Routman

David Stahl

John F. Carpenter

Detective Bell

Larry Mitchell

Detective Frapoly

Mike Brunlieb

Eddie

Brandon Fierro

Frat Boy 2

Michelle Hurst

Housekeeper Jane

Kathleen Garrett

Mitchell's Secretary

Max Adler

Officer Wojohowski

Shawn Parsons

Policeman in Haymarket

Kate Miller

Reporter Majorie

Edward Fletcher

Reporter Sy

Blair Lewin

Woman in Tavern

Ben Kass

Reporter 7

Alex Henderson

Young Man

David Fierro

Bailiff 2

Michael A. Dean

Carl Oglesby

Lex Elle

Riot Cop (uncredited)