JOKER 2: Folie à Deux –Trailer (2024)

 JOKER 2: Folie à Deux –Trailer (2024)

Lady Gaga as Dr. Harleen Quinzel / Harley Quinn: A psychiatrist initially assigned to treat Arthur; her curiosity eventually turns to obsession and she forms a deadly romantic relationship with him.Zazie Beetz as Sophie Dumond: A single mother and Arthur's former neighbor.Additionally, Brendan Gleeson, Catherine Keener, Jacob Lofland, Steve Coogan, Ken Leung and Harry Lawtey have been cast in undisclosed roles, while Leigh Gill and Sharon Washington reprise their roles as Gary and Arthur's social worker, respectively.