Joaquin Phoenix character Arthur Fleck / Joker
Robert De Niro character Murray Franklin
Zazie Beetz character Sophie Dumond
Frances Conroy character Penny Fleck
Brett Cullen character Thomas Wayne
Shea Whigham character Detective Burke
Bill Camp character Detective Garrity
Glenn Fleshler character Randall
Leigh Gill character Gary
Josh Pais character Hoyt Vaughn
Rocco Luna character GiGi Dumond
Marc Maron character Gene Ufland
Sondra James character Dr. Sally
Murphy Guyer character Barry O'Donnell
Douglas Hodge character Alfred Pennyworth
Dante Pereira-Olson character Bruce Wayne
Carrie Louise Putrello character Martha Wayne
Sharon Washington character Social Worker
Hannah Gross character Young Penny
Frank Wood character Dr. Stoner
Brian Tyree Henry character Carl (Arkham Clerk)
April Grace character Arkham Psychiatrist
Mick Szal character Woman on Subway
Carl Lundstedt character Wall Street Three
Michael Benz character Wall Street Three
Ben Warheit character Wall Street Three
Gary Gulman character Comedian
Sam Morril character Open Mic Comic
Chris Redd character Comedy Club Emcee
Mandela Bellamy character Mother on Bus
Demetrius Dotson II character Boy on Bus
Greer Barnes character Haha's Clown
Ray Iannicelli character Haha's Clown
Bryan Callen character Haha's Stripper
Vito Gerbino character Street Kid
Adam Quezada character Street Kid
Xavyer Ureña character Street Kid
Evan Rosado character Street Kid
Damian Emmanuel character Street Kid
Mike Troll character Clown Protestor
Jane Fergus character IBN Anchorwoman
David Gibson character WBC News Anchor
Tony D. Head character WGC Anchorman
Jeff McCarthy character NCB Anchor
Kim Brockington character NCB Co-Anchor
Troy Roberts character NCB News Reporter
Lou Young character ANC News Reporter
Michael-Scott Druckenmiller character Paramedic
Craig Austin character Paramedic
John Cenatiempo character Aftermath Police Officer
Danny Schoch character Aftermath Police Officers
Keith Buterbaugh character Band Leader
James Ciccone character Murray Franklin Band
Rich Campbell character Murray Franklin Band
Roger Squitero character Murray Franklin Band
Steven Elson character Murray Franklin Band
Graham Mabry character Murray Franklin Band
John Alldred character Murray Franklin Band
Alonzo Wright character Murray Franklin Band
Jack Wilkins character Murray Franklin Band
Richard Baratta character Murray Franklin Band
Jolie Chan character Street Worker
Mary Kate Malat character Murray Franklin Intern
Adrienne Lovette character Middle Aged Woman
Justin Theroux character Ethan Chase (uncredited)
Alissa Bourne character Anna (uncredited)
Jamaal Burcher character Hospital Visitor / Mfs Audience (uncredited)
Dj Nino Carta character Orderly (uncredited)
John Cashin character Arkham Patient (uncredited)
Jason John Cicalese character Protester / Rioter (uncredited)
Brendan Patrick Connor character Mr. Slotnick (uncredited)
Blaise Corrigan character Taxi Driver (uncredited)
Dennis Jay Funny character Gotham Citizen (uncredited)
Matthias Sebastiun Garry character Arkham Patient (uncredited)
James P. Harkins character Thomas Wayne's Body Guard (uncredited)
Joseph Hernandez character Protester / Rioter (uncredited)
Ben Heyman character Protestor (uncredited)
Lana McLellan character Protester (uncredited)
Graham Maby character Murray Franklin Band (uncredited)
Peter Benson character Good Morning Host (uncredited)
