Say it with us: Amy Schumer is getting serious. Deadline reports that the comedian has signed on to the upcoming drama Thank You for Your Service, an adaptation of David Finkel’s nonfiction book exploring the impact of PTSD on returning Iraq War veterans. Schumer joins a cast that also includes Miles Teller, Haley Bennett, Joe Cole, and Keisha Castle-Hughes. The film will be the directorial debut of American Sniper writer Jason Hall, who also played Oz’s bandmate Devon in Buffy the Vampire Slayer.