Person of Interest

Season 4 Episode 9

The Devil You Know

30
Aired Tuesday 10:00 PM Nov 25, 2014 on CBS
8.0
out of 10
User Rating
176 votes

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Episode Summary

EDIT

Reese and Finch receive a new Number: Elias, who Dominic wants dead. Meanwhile, Root rescues Sam from Martine but Sam doesn't want to be rescued, and threatens to go public if they don't let her help save Elias.

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James LeGros

James LeGros

Bruce Moran

Guest Star

Jamie Hector

Jamie Hector

Link

Guest Star

Salvatore Inzerillo

Salvatore Inzerillo

Gino

Guest Star

David Valcin

David Valcin

Scarface

Recurring Role

Cara Buono

Cara Buono

Martine Rousseau

Recurring Role

John Nolan (I)

John Nolan (I)

Greer

Recurring Role

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