Joaquin Phoenix

Arthur Fleck

Robert De Niro

Murray Franklin

Zazie Beetz

Sophie Dumond

Frances Conroy

Penny Fleck

Brett Cullen

Thomas Wayne

Shea Whigham

Detective Burke

Bill Camp

Detective Garrity

Glenn Fleshler

Randall

Leigh Gill

Gary

Josh Pais

Hoyt Vaughn

Marc Maron

Gene Ufland

Sondra James

Dr. Sally

Murphy Guyer

Barry O'Donnell

Douglas Hodge

Alfred Pennyworth

Dante Pereira-Olson

Bruce Wayne

Carrie Louise Putrello

Martha Wayne

Sharon Washington

Social Worker

Hannah Gross

Young Penny

Frank Wood

Dr. Stoner

Brian Tyree Henry

Carl (Arkham Clerk)

April Grace

Arkham Psychiatrist

Mick Szal

Woman on Subway

Carl Lundstedt

Wall Street Three

Michael Benz

Wall Street Three

Ben Warheit

Wall Street Three

Gary Gulman

Comedian

Sam Morril

Open Mic Comic

Chris Redd

Comedy Club Emcee

Mandela Bellamy

Mother on Bus

Demetrius Dotson II

Boy on Bus

Greer Barnes

Haha's Clown

Ray Iannicelli

Haha's Clown

Bryan Callen

Haha's Stripper

Peter Hans Benson

Good Morning Host

Vito Gerbino

Street Kid

Adam Quezada

Street Kid

Xavyer Ureña

Street Kid

Evan Rosado

Street Kid

Damian Emmanuel

Street Kid

Mike Troll

Clown Protestor

Jane Fergus

IBN Anchorwoman

David Gibson

WBC News Anchor

Tony D. Head

WGC Anchorman

Jeff McCarthy

NCB Anchor

Kim Brockington

NCB Co-Anchor

Troy Roberts

NCB News Reporter

Lou Young

ANC News Reporter

Michael-Scott Druckenmiller

Paramedic

Craig Austin

Paramedic

John Cenatiempo

Aftermath Police Officer

Danny Schoch

Aftermath Police Officers

Keith Buterbaugh

Band Leader

James Ciccone

Murray Franklin Band

Rich Campbell

Murray Franklin Band

Roger Squitero

Murray Franklin Band

Alonzo Wright

Murray Franklin Band

Mary Kate Malat

Murray Franklin Intern

Adrienne Acevedo Lovette

Middle Aged Woman (uncredited)

Justin Theroux

Ethan Chase (uncredited)

Alissa Bourne

Anna (uncredited)

Jamaal Burcher

Hospital Visitor / Mfs Audience (uncredited)

John Cashin

Arkham Patient (uncredited)

Brendan Patrick Connor

Mr. Slotnick (uncredited)

Blaise Corrigan

Taxi Driver (uncredited)

Dennis Jay Funny

Gotham Citizen (uncredited)

Jesse Schratz

Gotham City Sick Kid (uncredited)

Isabella Ferreira

Flirting Woman on the Bus (uncredited)

Shade Rupe

Bartender