While struggling with his dual identity, Arthur Fleck not only stumbles upon true love, but also finds the music that's always been inside him.
Joaquin Phoenix
as Arthur Fleck
Lady Gaga
as Lee Quinzel
Brendan Gleeson
as Jackie Sullivan
Catherine Keener
as Maryanne Stewart
Zazie Beetz
as Sophie Dumond
Steve Coogan
as Paddy Meyers
Harry Lawtey
as Harvey Dent
Leigh Gill
as Gary Puddles
Ken Leung
as Dr. Victor Liu
Jacob Lofland
as Ricky Meline
Bill Smitrovich
as Judge Herman Rothwax
Sharon Washington
as Debra Kane
