Eddie Redmayne

Character: Tom Hayden

Sacha Baron Cohen

Character: Abbie Hoffman

Mark Rylance

Character: William Kunstler

Joseph Gordon-Levitt

Character: Richard Schultz

Frank Langella

Character: Judge Julius Hoffman

Jeremy Strong

Character: Jerry Rubin

John Carroll Lynch

Character: David Dellinger

Yahya Abdul-Mateen II

Character: Bobby Seale

Alex Sharp

Character: Rennie Davis

Noah Robbins

Character: Lee Weiner

Danny Flaherty

Character: John Froines

Ben Shenkman

Character: Leonard Weinglass

Michael Keaton

Character: Ramsey Clark

Kelvin Harrison, Jr.

Character: Fred Hampton

Caitlin FitzGerald

Character: Agent Daphne O'Connor

Alice Kremelberg

Character: Bernadine

J.C. MacKenzie

Character: Thomas Foran

John Doman

Character: John Mitchell

Wayne Duvall

Character: Detective Deluca

Damian Young

Character: Howard Ackerman

C.J. Wilson

Character: Sergeant Scott Scibelli

Brady Jenness

Character: David Dellinger's Son

Meghan Rafferty

Character: Mrs. Dellinger

Juliette Angelo

Character: Juror 6

Brendan Burke

Character: Bailiff

Tah von Allmen

Character: Mrs. Winter

Alan Metoskie

Character: Allen Ginsberg

John Gawlik

Character: Policeman That Arrests Jerry

Kevin O'Donnell

Character: Bar Patron 1

Gavin Haag

Character: Bar Patron 2

Tiffany Denise Hobbs

Character: Sondra

Steve Routman

Character: David Stahl

Madison Nichols

Character: Demonstrator

John F. Carpenter

Character: Detective Bell

Larry Mitchell

Character: Detective Frapoly

Mike Geraghty

Character: Detective Sam McGiven

Mike Brunlieb

Character: Eddie

James Pravasilis

Character: Egg Throwing Crowd Member

Vic Kuligoski

Character: Frat Boy 1

Brandon Fierro

Character: Frat Boy 2

Calvin Ticknor-Swanson

Character: Frat Boy 3

Gabrielle Perrea

Character: Girl in Beret

Michelle Hurst

Character: Housekeeper Jane

Tony Lawry

Character: Man

Kathleen Garrett

Character: Mitchell's Secretary

Matt LeFevour

Character: Officer 1

Christian Litke

Character: Officer 2

Max Adler

Character: Officer Wojohowski

Michael Bassett

Character: Officer Quinn

Shawn Parsons

Character: Policeman in Haymarket

Julian Hester

Character: Policeman on Bullhorn

John Quilty

Character: Reporter Jack

Kate Miller

Character: Reporter Majorie

Edward Fletcher

Character: Reporter Sy

Blair Lewin

Character: Woman in Tavern

Jessica Wood

Character: Bartender

Steven Komito

Character: Marshal

Marco Lama

Character: Someone in the Crowd

Ben Kass

Character: Reporter 7

Gabriel Franken

Character: Reporter 8

Ed Flynn

Character: Reporter 9

Alex Henderson

Character: Young Man

David Fierro

Character: Bailiff 2

Sam Nelson Harris

Character: Band Lead Singer

Marlee Mendelson

Character: Band Member

Hana Chew

Character: Band Member

Ashley Trumbo

Character: Band Member

Allison Trumbo

Character: Band Member

Shane Skidmore

Character: Band Member

Jeffrey Yonkus

Character: Band Member

Maria Jacobson

Character: Band Member

Brendan Brown

Character: Band Member

Dan MacDonald

Character: Band Member

Keeley Morris

Character: Female Protester

Thomas John Gallagher

Character: Radio Cop

Michael A. Dean

Character: Carl Oglesby

Elizabeth Holder

Character: Juror 11

Lex Elle

Character: Riot Cop (uncredited)

Gillian Cooper

Character: Courtroom Protester