Greta Gerwig ("20th Century Women") chatted with Mahershala Ali ("Moonlight") about their love for New York City.

Mahershala Ali ("Green Book") on how he convinced 'True Detective' creator Nic Pizzolatto to change the race of the lead character for the third season of the HBO series. Plus, John David Washington on how he went from football star to the top of the call sheet on "BlacKkKlansman".