Amy Hargreaves is an American actress who has worked in film, television, video games and theater. She has a recurring role on Homeland as Maggie Mathison. In 1994, she starred in Brainscan with Edward Furlong. In 2012, she made an appearance as Dr. Karen Folson in the 2nd season episode "Leap of Faith" on the CBS show Blue Bloods. In 2017, she began portraying the role of Lainie Jensen, mother of protagonist Clay Jensen, in the Netflix series 13 Reasons Why.