On Lost, Emerson's wife Carrie Preston portrayed Emily Linus (Emerson's character's mother) in the flashback sequences of the episode "The Man Behind the Curtain". The two teamed up again, with Emerson portraying Preston's next-door neighbor, in the film Ready? OK! (2008). Most recently, Preston appeared in several episodes of Person of Interest as Grace Hendricks, the former fiancée of Emerson's character, Harold Finch.