“The Black Phone” stars Ethan Hawke (The Grabber), Mason Thames (Finney Shaw), Madeleine McGraw (Gwen Shaw) and director Scott Derrickson sit down with CinemaBlend’s Corey Chichizola to talk about their new supernatural horror film. They discuss The Grabber’s mysterious mask, shooting on Super 8 film, why Ethan Hawke enjoys working with young actors, and much more.