Arthur Fleck 华金·菲尼克斯

Lee Quinzel Lady Gaga

Jackie Sullivan 布莱丹·格里森

Maryanne Stewart 凯瑟琳·基纳

Sophie Dumond 莎姬·贝兹

Paddy Meyers 斯蒂芬·库根

Harvey Dent 哈里·劳蒂

Gary Puddles 利·吉尔

Dr. Victor Liu 肯·兰格

Ricky Meline 雅各布·洛夫兰

Judge Herman Rothwax 比尔·斯米托洛维奇

Debra Kane 莎朗·华盛顿

Ernie Bullock 阿尔弗雷德·鲁宾·汤普森

Young Inmate 康纳·斯托瑞

Music Teacher Gregg Daniel

Arkham Guard 麦克·勃兰特

Arkham Guard 斯莱恩

Arkham Guard 约翰·莱西

Arkham Guard 蒂姆·狄龙

E Ward Inmate Wayne Dehart

E Ward Inmate 特洛伊·弗罗明

E Ward Inmate Ajgie Kirkland

E Ward Inmate Terrance T.P. Polite

E Ward Inmate Jimmy Walker Jr.

E Ward Inmate Toney Wilson

Dr. Louise Beatty 琼·卡里尔

Paddy Meyers' Producer 唐·麦克马纳斯

Head Bailiff G.L. McQueary

Jury Foreman Angela D. Watson

White Chapel Minister Murphy Guyer

Junior Associate 卡森·希金斯

Masked Joker Driver 加特林·格里菲斯

Joker Doppelganger Hudson Oz

Victim's Dad Ray Lykins

Joker Fan #1 威尔·罗普

Joker Fan #2 Ashton Moio

Joker Fan #3 Emilio Rojas

Police Escort Joe Spinney

Additional Guard Richard Busser

Additional Guard 布莱恩·多纳休

Additional Guard 迈克·休斯顿

Additional Guard Jess King

Additional Guard 吉米·斯玛古拉

Stan L. Brooks (voice) 史蒂芬·斯坦顿

News Anchor Martin Kildare

Reporter Laurie Dawn

Reporter Steven X. Greenfield

Reporter Dominiqué Williams-Blair

Reporter Barry Bonder

Back-up Singer Kaylah Sharve' Baker

Back-up Singer Ashley Levin

Back-up Singer Celeste Butler

Music Room Pianist Alex Wesley Smith

Arkham Guard (uncredited) Robert Loftus

Girl #1 (uncredited) 凯西·伯克

Music Room Inmate #1 (uncredited) Troy Metcalf

Pro-Joker Protester (uncredited) Sam Wren Vincent

Music Class (uncredited) 本·范·迪彭

B Ward Music Class Patient #14 (uncredited) Karen Teliha

Trombone (uncredited) Byron Sleugh

Protestor (uncredited) Suki Úna Rae

Patient / Protestor (uncredited) Angelica Quinonez