Person of Interest 4x09: The Devil You Know
| Serie | Person of Interest |
| Staffel | 4 |
| Folge | 9 |
| Länge | 43 Minuten |
| Genres | Action, Crime, Drama |
| Erstausstrahlung | 25.11.2014 |
| Autoren | Erik Mountain |
| Regisseur | Richard J. Lewis |
Die Schauspieler der Episode
| Schauspieler | Rolle |
|---|---|
| Jim Caviezel | John Reese |
| Kevin Chapman | Lionel Fusco |
| Amy Acker | Root |
| Sarah Shahi | Sameen Shaw |
| Michael Emerson | Harold Finch |
| David Valcin | Scarface |
| James Le Gros | Bruce Moran |
| Cara Buono | Martine Rousseau |
| Winston Duke | Dominic |
| John Nolan | John Greer |
| Jamie Hector | Link Cordell |
| Salvatore Inzerillo | Gino |
| Michael J. Burg | Cosmetics Manager |
| Enrico Colantoni | Carl Elias |
| Steve Beauchamp | Moving Truck Driver |
| Campfield Heinrich | Young Bruce Moran |
| Lee Holifield | Brotherhood Burly Gang #5 |
| Laura Elizabeth McGowan | Academy Recruit |
| Daniel Tocco | Young Scarface |