Amy Hargreaves is an American actress whose career began in the early ’90s. During this period, she had notable roles in the show Matt Waters. She also appeared in the films Brainscan and Somewhere in the City. In the 2000s, she mostly had guest appearances in several shows, including Law & Order: Criminal Intent, Third Watch, and Mercy, among others. She also had roles in the movies Michael Clayton, Delirious, and Against the Current. In the 2010s, she played recurring character Maggie Mathison in Homeland and currently stars as Lainie Jensen in 13 Reasons Why. She’s also had roles in the films The Preppie Connection, Super Dark Times, and Wonderstruck.