- Jim Caviezel (John Reese)
- Michael Emerson (Harold Finch)
- Kevin Chapman (Lionel Fusco)
- Amy Acker (Root)
- Sarah Shahi (Sameen Shaw)
Person of Interest — S4E2
Episode: Nautilus
Air Date: 2014-09-30
Runtime: 43 min
Overview
Despite not wanting to help with the new numbers, Finch's interest is piqued when the newest person of interest turns out to be a brilliant college student involved with a mysterious scavenger hunt.