Sound of Metal is a 2019 American drama film directed by Darius Marder, who co-wrote the story with Derek Cianfrance before co-writing the screenplay with his brother Abraham Marder. It stars Riz Ahmed as a metal drummer who loses his hearing. The cast also includes Olivia Cooke, Paul Raci, Lauren Ridloff, and Mathieu Amalric. Sound of Metal had its world premiere in the Platform Prize program at the 2019 Toronto International Film Festival on September 6, 2019.