All 87 actors in both Gotham and Person of Interest
87 actors have appeared in both Gotham and Person of Interest, across 203 episodes. The most-credited is John Doman, Carmine Falcone in Gotham and Senator Ross Garrison in Person of Interest.
| Actor | In Gotham | In Person of Interest | Eps | Eps |
|---|---|---|---|---|
| John Doman | Carmine Falcone | Senator Ross Garrison | 9 | 10 |
| Al Sapienza | Dick Lovecraft | Raymond Terney | 2 | 13 |
| David Zayas | Sal Maroni | Ernie Trask | 11 | 1 |
| James Carpinello | Mario Calvi | Joey Durban | 8 | 2 |
| Michael Cerveris | Professor Pyg | Jarek Koska | 5 | 1 |
| Susan Misner | Dr. Marks | Jessica Arndt | 1 | 5 |
| Leslie Odom Jr. | Ian Hargrove | Peter Collier | 1 | 8 |
| James Andrew O'Connor | Tommy Bones | Ethan Mattson | 5 | 1 |
| Mark Margolis | Paul Cicero | Gianni Moretti | 2 | 3 |
| Michael Mulheren | Randall Hobbs | Captain Artie Lynch | 1 | 3 |
| Danny Mastrogiorgio | Frankie Carbone | Derek Whitaker | 3 | 1 |
| Caroline Strong | Susan | CIA Agent | 1 | 1 |
| Damian Young | Warden Reed | Pete Matheson, Therapist | 2 | 2 |
| Dan Hedaya | Detective Dix | Bernie Sullivan | 2 | 1 |
| Julian Sands | Gerald Crane | Alistair Wesley | 2 | 1 |
| Larry Pine | Mayor Burke | Wernick | 3 | 1 |
| Michael Potts | Sid Bunderslaw | Travers | 3 | 2 |
| Radu Spinghel | Scale Skin Man | Lenny | 4 | 1 |
| David Carranza | Angel Vallelunga | NYPD Queens Officer | 3 | 1 |
| Philip Hernández | Dr. Guerra | Cartel Heavy | 3 | 1 |
| Jeremy Davidson | Nikolai | U.S. Marshal Brad Jennings | 2 | 1 |
| John Bedford Lloyd | General Wade | Philip Chapple | 2 | 1 |
| Gregory Konow | Detective, Beat Cop | Bank Security Guard, Beat Cop | 3 | 2 |
| Chris Chalk | Lucius Fox | Lawrence Pope | 1 | 1 |
| Joe Lanza | Detective Zeke | Mikey | 3 | 1 |
| Brian J. Carter | Coroner | Medical Tech, Stewart | 1 | 2 |
| Maceo Oliver | Desk Sergeant | NYPD Patrolman | 2 | 1 |
| Paulina Singer | Josie Mac | Amber | 3 | 1 |
| Abbi Snee | Mary Lloyd | Bethany | 1 | 1 |
| Brendan Burke | Bugsy | Jackass Biker | 1 | 1 |
| James Colby | Lt. Bill Cranston | Officer Andrew Murphy | 1 | 1 |
| Malik Yoba | Major Rodney Harlan | Andre Wilcox | 1 | 1 |
| Victor Cruz | Desk Sergeant | Mr. Castillo | 2 | 1 |
| William Abadie | Dr. Maxwell Symon | Christos Sevon | 1 | 1 |
| Will Brill | Arnold Dobkins | Charlie Vaida | 2 | 1 |
| Anthony Grasso | Ganza | Gerald Mancini | 1 | 1 |
| Becky Ann Baker | Marge | Deputy Erica Schmidt | 1 | 1 |
| Michael J. Burg | Charlie Griggs | Cosmetics Manager | 1 | 2 |
| Yinka Adeboyeku | Uniformed Officer | Airport Masked Man #1 | 2 | 1 |
| Rose Sias | Smiker's Girlfriend | Uni | 1 | 1 |
| Abraham Makany | Wounded Man | Asif | 1 | 1 |
| Brian O'Neill | Robert Hastings | Judge Peterson | 1 | 1 |
| James Ciccone | Giovanni | Frank Capello | 1 | 1 |
| Jasson Finney | Stevedore | Andrius | 1 | 1 |
| Jeremy Sample | Henchman #2 | Royal Gangbanger #4 | 1 | 1 |
| Joel Haberli | Doctor | President of the U.S.A. | 1 | 1 |
| Lillias White | Bible Woman | Judge Reginald | 1 | 1 |
| Otto Sanchez | Ogden Barker | Ochoa | 1 | 1 |
| Saundra Santiago | Janice Caulfield | Patti D’Agostino | 1 | 1 |
| Stephen Badalamenti | Rinaldi | Roman Packard | 1 | 1 |
| Wayne Duvall | Morry Quillan | Councilman Seth Larsson | 1 | 1 |
| Alberto Bonilla | TV Pundit | Angel | 1 | 1 |
| Alexander Blaise | Roland Charles | Wolfram | 1 | 1 |
| Brian Keane | Boat Captain | Sykes | 1 | 1 |
| Derrick Simmons | Driver | Royal Gangbanger #1 | 1 | 1 |
| Jared Johnston | Thief #1 | Cabbie | 1 | 1 |
| Jimmy Palumbo | Detective Boggs | Detective | 1 | 1 |
| Joseph McKenna | Gerry Grekov | Odd Man | 1 | 1 |
| Marc Damon Johnson | Wilson Bishop | Jesse Brandt | 1 | 1 |
| Matt Golden | Man in Suit | Brian Humphries | 1 | 1 |
| Thom Sesma | Barthel | Mr. Su | 1 | 1 |
| Akintola Jiboyewa | Bouncer | Teddy | 1 | 1 |
| Brendan Griffin | Officer Len Moore | Charles MacAvoy | 1 | 1 |
| Guyviaud Joseph | Munitions Security Officer #2 | Security Guard | 1 | 1 |
| Marlon Perrier | Company Commander | Security Agent | 1 | 1 |
| Salvatore Inzerillo | Shotgun | Gino | 1 | 1 |
| Tama Filianga | Guard | Lowlife | 1 | 1 |
| Brian Berrebbi | Plainclothes Cop | Juror With Cellphone | 1 | 1 |
| Frank Deal | Dr. Fenton | Doug | 1 | 1 |
| Robert Jimenez | Raoul | Grant’s Lawyer | 1 | 1 |
| Steve Lord | Swat Leader | Skinhead | 1 | 1 |
| Logan Crawford | Reporter | News Reporter | 1 | 2 |
| Amy Tribbey | Doctor | Reese's Mother | 1 | 1 |
| Chris Santangelo | Carl | Jumpy Jerry | 1 | 1 |
| Dan Ziskie | Jude | Senator Gene Atkins | 1 | 1 |
| David Fierro | Zaardon | Stocky Guy | 1 | 1 |
| Fenton Lawless | Clerk | Bartender | 1 | 1 |
| Laurence Mason | Det. Ben Mueller | Doctor | 1 | 1 |
| Robert J Chang | Drug Dealer | HK Mugger | 1 | 1 |
| Tuffy Questell | Duffy | Guard | 1 | 1 |
| Alexis Suarez | Guard | Janitor #2 | 1 | 1 |
| John Quilty | Lawyer | Think Tanker | 1 | 1 |
| Robbie Tann | Timothy | Niall Jacobs | 1 | 1 |
| Jamie Choi | Receptionist | High Roller Dealer | 1 | 1 |
| Jose Hernandez, Jr. | Bodyguard | Latino #2 | 1 | 1 |
| Lorrie Odom | Olga | Woman | 1 | 1 |
| Kevin Michael Murphy | Plant Worker | Anton's Friend | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.