The fashion designer skyrockets to fame before his life starts to spin out of control.
Ewan McGregor Halston
Bill Pullman David Mahoney
Rebecca Dayan Elsa Peretti
David Pittu Joe Eula
Krysta Rodriguez Liza Minnelli
Rory Culkin Joel Schumacher
Vera Farmiga Adele
Sullivan Jones Ed Austin
Kelly Bishop Eleanor Lambert
Ryan Murphy Executive Producer