All 80 actors in both Boardwalk Empire and Person of Interest
80 actors have appeared in both Boardwalk Empire and Person of Interest, across 159 episodes. The most-credited is Kevin O'Rourke, Mayor Edward Bader in Boardwalk Empire and Specops Psychologist in Person of Interest.
| Actor | In Boardwalk Empire | In Person of Interest | Eps | Eps |
|---|---|---|---|---|
| Kevin O'Rourke | Mayor Edward Bader | Specops Psychologist | 21 | 1 |
| Boris McGiver | Sheriff Jacob Lindsay | Agent Robert N. Hersh | 6 | 13 |
| Wrenn Schmidt | Julia Sagorsky | Dr. Iris Campbell | 10 | 7 |
| Victor Verhaeghe | Damien Fleming | Daniel Burnside | 20 | 1 |
| Morgan Spector | Frank Capone | Peter Yogorov | 4 | 5 |
| Patrick Kennedy | Dr. Douglas Mason | Dr. Shane Edwards | 7 | 1 |
| David Aaron Baker | Bill Fallon | FBI Special Agent Martin LeRoux | 6 | 2 |
| Oakes Fegley | Elias "Eli" Thompson (Boy) | Gabriel Hayward | 3 | 3 |
| Patch Darragh | Robert Bennett III | Gil | 3 | 1 |
| Charlie Plummer | Michael Thompson | Kid | 8 | 1 |
| Geoff Pierson | Senator Walter Edge | FBI SAIC Roberts | 4 | 1 |
| Ryan Woodle | Phil | Barry | 4 | 1 |
| Tuck Milligan | Dr. Brubaker | Finch’s Father | 1 | 3 |
| Curt Bouril | Clifford Lathrop | Guard | 7 | 1 |
| Mike Houston | Ralph | Officer Fordes | 5 | 2 |
| Kevin Henderson | Dr. Carl Surran | Scumbag | 8 | 1 |
| Bill Sage | Solomon Bishop | Reddy | 4 | 1 |
| James Riordan | Franklin Werner | Surgeon | 1 | 1 |
| Julian Rozzell Jr. | Harlan | Homeless Guy | 4 | 1 |
| Virginia Kull | Nan Britton | Ashley | 4 | 1 |
| Lucas Caleb Rooney | Joe Miller | Diski | 2 | 1 |
| Steve Beauchamp | Sid | Moving Truck Driver | 5 | 1 |
| Erin Dilly | Eleanor Thompson | Shelly Spencer | 4 | 1 |
| Jack Ferry | Gareth Murray | Head Sentry | 4 | 1 |
| John Rue | Mayor Harry Bacharach | Robbery Homicide Detective | 5 | 1 |
| Brendan Burke | Mickey's driver | Jackass Biker | 1 | 1 |
| Jordan Lage | Young Leander Whitlock, King Neptune | Carson | 4 | 1 |
| Michael Siberry | Senator Wendell Lloyd | Blackwood | 2 | 1 |
| Richard Bekins | Theodore Rollins | Mr. Frey | 2 | 1 |
| Louis Vanaria | Lucien D'Alessio | Louis Azarello | 2 | 2 |
| Mary McCann | Matron | Lori Phipps | 2 | 1 |
| Randall Newsome | Douglas Wallbridge | Alderman | 2 | 1 |
| Dagmara Dominczyk | Dinah Linehan | Sarah Jennings | 1 | 1 |
| John Leonard Thompson | Father Shocke | Dr. Victor Haskell | 1 | 1 |
| Samantha Buck | Apartment Hunting Wife | Samaritan Doctor | 1 | 1 |
| Alex Cranmer | Talmer | Chris Scollard | 1 | 1 |
| Jennifer Ferrin | Carolyn Rothstein | Natalie Boal | 1 | 1 |
| Remy Auberjonois | Theodore Hardeen | Jimmy Calhoun | 1 | 1 |
| Noah Racey | Babette's Dancer | Gunman | 2 | 1 |
| John Cenatiempo | Scarpelli | Gage | 1 | 1 |
| Stephen Badalamenti | Player #1 | Roman Packard | 1 | 1 |
| Solomon Shiv | Herman "Chayem" Kaufman | Novak | 2 | 1 |
| T.J. Kenneally | Charles Kenneth "Chip" Thorogood | Larry | 2 | 1 |
| Barthelemy Atsin | Noah Hookway | SWAT One | 1 | 1 |
| Bernard Bygott | Agent #1 | Tate | 1 | 1 |
| Bill Cwikowski | tbd | Fat Frank | 1 | 1 |
| Clem McIntosh | Wellman | Supervisor | 2 | 1 |
| Craig Bockhorn | Dan | Barfly | 1 | 1 |
| Dominik Tiefenthaler | Rudy | Berlin Policeman | 1 | 1 |
| Olivia Nikkanen | Fern | Izzy Wyler | 1 | 1 |
| Wayne Duvall | Governor Edward I. Edwards | Councilman Seth Larsson | 1 | 1 |
| Charlotte Maier | Mrs. Landau | Megan | 2 | 1 |
| Andrew MacLarty | Elevator operator | Bobby Jackson | 1 | 1 |
| Michael De Nola | Gangster #1 | Taxi Driver | 1 | 1 |
| Salvatore Inzerillo | Thomas Gagliano | Gino | 1 | 1 |
| Samuel Ray Gates | Head Chef | Yates | 1 | 1 |
| Scott Jaeck | Ward Boss | Victor Cochran | 1 | 1 |
| James Ciccone | Joe Masseria's thug | Frank Capello | 2 | 1 |
| Ed Moran | Agent Pearl | Sergeant Harris | 1 | 1 |
| Jared Johnston | Federal Agent | Cabbie | 1 | 1 |
| John Mondin | Carny | Paulie | 1 | 1 |
| Spencer Moses | Ukulele player | Lenny | 1 | 1 |
| Ben Livingston | Hotel Manager | Lead FBI Agent Barnes | 1 | 1 |
| Frank Deal | Mr. Shearer | Doug | 1 | 1 |
| Robert C. Kirk | Mr. Johansen | Jerry | 1 | 1 |
| Timothy Sekk | Gilbert Longacre | Kyle Moon | 1 | 1 |
| Tom Coiner | A.D.A. Eugene Mulhearne | Decima Tech | 1 | 1 |
| Erica Fae | Charlotte | Jen | 2 | 1 |
| Fred Arsenault | Agent #1 | Winston | 1 | 1 |
| Maddie Jo Landers | Pauline | Crystal | 1 | 1 |
| Cliff Moylan | Sheriff's deputy | Shooting Victim | 1 | 1 |
| Jonathan Tindle | Doctor Berns | Doctor | 1 | 1 |
| James Michael Reilly | Realtor | Detective Sagan | 1 | 1 |
| Jeb Kreager | Army Recruiter | Det. Stan Mitchell | 1 | 1 |
| Malachy Cleary | Warren G. Harding | Attorney | 1 | 1 |
| Helmar Augustus Cooper | Pastor | Merchant | 1 | 1 |
| Joseph Tudisco | Poker Player #2 | Bodega Cashier | 1 | 1 |
| Roe Hartrampf | Skeeter Walsh | Bartender | 1 | 1 |
| Jimmy Palumbo | Hotelier #2 | Detective | 1 | 1 |
| Kevin Loreque | Savarin Waiter | Trent Russell | 1 | 1 |
← Boardwalk Empire × Person of Interest
Cast data from TVmaze, licensed CC BY-SA 4.0.