Michael Emerson is no stranger to being on a successful show with a complicated plot, having spent five seasons as creepy Others leader Ben Linus on Lost. On Person of Interest, Emerson applies his signature air of mystery — along with a limp — to play genius tech billionaire Harold Finch. But unlike Ben, Finch is the hero, using his skills and the Machine, the computer system he built that predicts future crimes, to track down villains with former CIA agent John Reese (Jim Caviezel).
And as the drama continues its third season, Finch is having trouble with the Machine as it begins to reject him and must deal with hacker Root (Amy Acker), who is intent on gaining control of his work.
Emerson talked to EW about what’s ahead for his character, the mystery of the Machine, and how he handles fans who, usually unknowingly, interrupt filming in the streets of New York City:
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