Joker: Folie à deux Directed by Todd Phillips Written by Scott Silver & Todd Phillips Based on Characters by DC Comics Produced by Todd Phillips, Emma Tillinger Koskoff, Joseph Garner Starring Joaquin Phoenix Lady Gaga Brendan Gleeson Catherine Keener Zazie Beetz Steve Coogan Harry Lawtey Leigh Gill Cinematography Lawrence Sher Edited by Jeff Groth Music …