Warning: Full spoilers follow for The Black Phone.The Black Phone is the new film from director Scott Derrickson and Blumhouse Productions that stars Ethan Hawke as a kidnapper known as The Grabber. The story was adapted from Joe Hill’s short story “The Black Phone,” and it follows a 13-year-old boy named Finney (Mason Thames) who was kidnapped by The Grabber and locked in his basement.