All 171 actors in both 24 and Castle
171 actors have appeared in both 24 and Castle, across 377 episodes. The most-credited is Glenn Morshower, Agent Aaron Pierce in 24 and Defense Secretary Michael Reed in Castle.
| Actor | In 24 | In Castle | Eps | Eps |
|---|---|---|---|---|
| Glenn Morshower | Agent Aaron Pierce | Defense Secretary Michael Reed | 49 | 1 |
| Carlos Bernard | Tony Almeida | Jared Stack | 41 | 1 |
| Reiko Aylesworth | Michelle Dessler | Mia Lopez | 38 | 1 |
| Geoff Pierson | John Keeler | Mr. Smith | 18 | 6 |
| Nazneen Contractor | Kayla Hassan | Layla Nazif | 21 | 1 |
| D.B. Woodside | Wayne Palmer | Lance Carlberg | 31 | 1 |
| Adoni Maropis | Abu Fayed | Henry Allen Boothe | 14 | 1 |
| Ross McCall | Ron Clark | Seth Carver | 9 | 1 |
| Scott Paulin | Brian Jacobs | Jim Beckett | 2 | 7 |
| Gina Torres | Julia Milliken | Penelope Foster | 7 | 1 |
| Julian Sands | Vladimir Bierko | Teddy Farrow | 11 | 1 |
| Richard Burgi | Alan York | Charlie Turner | 11 | 1 |
| James Morrison | Bill Buchanan | Commissioner Malone | 10 | 1 |
| T.J. Ramini | Tarin Faroush | Prince Khalid Hasheim | 10 | 1 |
| John Allen Nelson | Walt Cummings | Walter Dennis | 10 | 1 |
| Jamie McShane | Gerry Whitehorn | Tony "The Butcher" Valtini | 6 | 1 |
| Navi Rawat | Melanie | Rachel Walters | 6 | 1 |
| C. Thomas Howell | Dr. Barry Landes | John Campbell | 2 | 1 |
| Carlo Rota | Morris O'Brian | Bahir Harun | 5 | 1 |
| Currie Graham | Ted Cofell | Stanford Raynes | 2 | 1 |
| Darby Stanchfield | Shari | Meredith | 1 | 2 |
| Mary Page Keller | Sarah | Rebecca Dalton | 2 | 1 |
| Reed Diamond | Jason Pillar | Dr. Cameron Talbot | 8 | 1 |
| Nestor Serrano | Navi Araz | Gregor Volkov | 10 | 1 |
| Gregg Henry | Jonathan Wallace | Winston Wellesley | 4 | 1 |
| Jonathan Adams | Peter Hawk | Vulcan Simmons | 2 | 3 |
| Ever Carradine | Erica | Mirielle Lefcourt | 5 | 1 |
| François Chau | Koo Yin | Clifford Lee | 1 | 1 |
| John Billingsley | Michael Latham | Dr. Harvey Larson | 3 | 1 |
| Judith Scott | Dr. Kent | Evelyn Montgomery | 1 | 3 |
| Michael Hyatt | Marcy | Mrs. Leslie Ruiz | 1 | 1 |
| Shaun Duke | Hassan Naiyeer | Felix Gozarian | 1 | 1 |
| Tony Plana | Omar | Father Aguello | 3 | 1 |
| Jim Holmes | Dr. Welton | Dr. Ian Fuller | 6 | 1 |
| Ray Wise | Vice President Hal Gardner | Bobby Fox | 6 | 1 |
| Max Martini | Agent Steve Goodrich | Hal Lockwood | 3 | 2 |
| Philip Anthony-Rodriguez | Tom Chapman | Michael Grant | 4 | 1 |
| Chris Mulkey | Doug Knowles | Wilbur Pittorino | 2 | 1 |
| Dean Norris | General Bowden | Captain John Davis | 2 | 1 |
| Gonzalo Menendez | Pablo | Ronaldo | 2 | 1 |
| Joe Nieves | Teenager #2 | Boyd Gamble | 2 | 1 |
| Leonard Roberts | Guard Buchanan | Special Agent Jason Avery | 1 | 2 |
| Michael Irby | Adrion Bishop | Shane Winters | 2 | 1 |
| Patrick Fabian | William Cole | Peter Monroe | 2 | 1 |
| Darin Heames | Krugman | Agent Chuck Martinez | 3 | 1 |
| David Chisum | Phil | Thomas Gage | 2 | 2 |
| Michael Reilly Burke | Bruce Carson | Frank Nesbit | 3 | 1 |
| Doug Savant | Craig Phillips | Trevor Nigel | 4 | 1 |
| Michael Rodrick | Stokes | Robert "Bobby S" Shannon | 4 | 1 |
| Omid Abtahi | Jibraan Al-Zarian, Safa | Waqas Rasheed | 4 | 1 |
| Hrach Titizian | Nabeel | Omar Dixon | 6 | 1 |
| Aaron McCusker | DOD Tech | Wesley Connors | 1 | 1 |
| Alla Korot | Suzanne Cummings | Dry Cleaner | 1 | 2 |
| Bernard White | Imam Al Fulani | Anwar El-Masri | 2 | 2 |
| Brian Goodman | Raymond O'Hara | Gary McCallister | 2 | 2 |
| Dameon Clarke | Tanner | Scott Dunn | 1 | 2 |
| Eric Nenninger | Agent Davis | John Dessens | 1 | 1 |
| John Pyper-Ferguson | CTU Lab Tech | Dean Donegal | 1 | 1 |
| José Zúñiga | Joseph Molina | Alfredo Quintana | 1 | 1 |
| Julie Claire | Eden Linley | Lisa Jenkins | 5 | 1 |
| Keith Szarabajka | Robert Morrison | James Grady | 1 | 1 |
| Mark Rolston | Bruce Foxton | Kurt Van Zant | 2 | 1 |
| Michael McGrady | CHP Officer Brown | Brian Reilly | 4 | 1 |
| Ned Vaughn | Mitch Anderson | Brett Zaretsky | 4 | 1 |
| Nick Chinlund | Masters | Evan Mitchell | 2 | 1 |
| Peter Onorati | FBI Agent Remick | Sal Malavolta | 2 | 1 |
| Ping Wu | Su Ming | Dr. Lee | 2 | 1 |
| Raphael Sbarge | Ray Wallace | Dr. Darrell Meeks | 2 | 1 |
| Rey Gallegos | Sergeant Devlin | Cesar Vales | 3 | 1 |
| Robert Pine | Secretary of Agriculture | Gerry Finnegan | 1 | 1 |
| Scott Michael Campbell | Brady Hauser | Lee Travis | 1 | 1 |
| Tim Guinee | Ken Dellao | Andrew Haynes | 3 | 1 |
| Matthew Carey | Dan Mounts | Mr. Levine | 6 | 1 |
| Andy Umberger | Dr. Linzer | Johnny Rosen | 3 | 1 |
| Carlos Gómez | Luis Annicon | Captain Fowler | 3 | 1 |
| Jim Abele | Ralph Burton | Adam Greene | 3 | 1 |
| Robert Maffia | Andrei | Lawyer | 3 | 1 |
| Timothy Carhart | Eric Rayburn | Dr. Nelson Blakely | 4 | 1 |
| Christina Cox | Agent Molly O'Connor | Maggie Finch | 1 | 1 |
| David Grant Wright | Gus | Ben Moss | 1 | 1 |
| Jackie Debatin | Jessica Abrams | Realtor | 1 | 1 |
| Spencer Garrett | Ben Kram | Evan Pierce | 1 | 1 |
| Tom Irwin | John Brunner | Simon Campbell | 1 | 1 |
| James C. Victor | Agent Turner | Johnny Dimes | 4 | 1 |
| Andrea Grano | Ellen Price | Mrs. Stan Banks | 2 | 1 |
| Billy Mayo | Agent Rosser | Senior Officer | 1 | 2 |
| Don McManus | Bob | Archie "The Savannah Hammer" Bronstein | 2 | 1 |
| Rick Ravanello | Captain Reiss | Steve Adams | 2 | 1 |
| Terrell Tilford | Paul Wilson | Hawthorne Carter | 2 | 1 |
| Robert Cicchini | Howard Bern | Mr. Turino | 3 | 1 |
| Al Sapienza | Paul Koplin | Mr. Jones | 2 | 1 |
| Benito Martinez | Victor Aruz | FBI Special Agent Sam Walker | 1 | 1 |
| Carmen Argenziano | General Gratz | Mario Rivera | 1 | 1 |
| Christina Moore | Dana | Stephanie Frye | 1 | 1 |
| Endre Hules | Serge, Russian Head of Security | Pavel Oborin | 3 | 1 |
| Gideon Emery | Leon | Lloyd Saunders | 1 | 1 |
| James MacDonald | Officer #1 | Benjamin Wade | 1 | 1 |
| John Griffin | Lead Starkwood Tech | Gavin DeWinter | 1 | 1 |
| Mandy June Turpin | Infected Female Hotel Guest | Lee Travis' Sister | 2 | 1 |
| Matt McTighe | Agent Tim Moran | Chuck Ryker | 3 | 1 |
| Michelle C. Bonilla | Reporter | Maxine Collins | 2 | 1 |
| Ron Roggé | Jared | Wolkowski | 1 | 1 |
| Steve Cell | Litvak | Charles Taylor | 2 | 1 |
| Tom Wright | Admiral Kirkland | Fats Shepherd | 2 | 1 |
| Boris Lee Krutonog | Russian Bodyguard | Sergei Mishkin | 2 | 1 |
| Conor O'Farrell | Ted Packard | Ronald Armstrong | 2 | 1 |
| D.B. Sweeney | Mark Bledsoe | Detective Kyle Seeger | 2 | 1 |
| Peter James Smith | FBI Med Tech #2 | Agent Richmond | 1 | 2 |
| Tava Smiley | Protocol Person | Brooke | 2 | 1 |
| Alex Carter | Nantz | Michael Goldman | 1 | 1 |
| Lobo Sebastian | Prisoner Peel | Diego Gutierrez | 1 | 1 |
| Patrick Bauchau | Jacob Rossler | Caine Powell | 1 | 1 |
| Ryan Alosio | Brian | Mike Weitz | 1 | 1 |
| Ryun Yu | Jin | Andrew | 1 | 1 |
| Tim Griffin | Agent Baron | Spalding Elliot | 1 | 1 |
| Jesse D. Goins | Alan Hayes | Spencer's Lawyer | 2 | 1 |
| Larry Sullivan | SS Agent | Samuel Lynchberg | 2 | 1 |
| Matt Bushell | Cale | Leeman Jones | 2 | 1 |
| Mo Gallini | Abdul, Mahnesh | Rocco Carlucci | 2 | 1 |
| Albie Selznick | John Reiss | Dr. Paul Devlin | 2 | 1 |
| Eltony Williams | CTU Swat Medic | Officer Marino | 2 | 1 |
| Hector Luis Bustamante | Dr. Martinez | William "Billy" Hicks | 1 | 1 |
| Jamie Martz | Nate Burke | Male EMT | 2 | 1 |
| Jeremy Ray Valdez | Petty Officer Tim Rooney | Todd | 1 | 1 |
| Michael Benyaer | Naseem | Oscar | 1 | 1 |
| Sam Ayers | Agent Breeher | Bartender | 2 | 1 |
| Wilmer Calderon | Pedro | Marvin "Oz" Osminkowski | 2 | 1 |
| Channon Roe | Cal | Kevin Henson | 1 | 1 |
| Charlie Bodin | Gerrard | Julian Cutter | 1 | 1 |
| Christopher B. Duncan | Spector | Marcus Weller | 1 | 1 |
| David Barrera | Phillips | Principal Joe Silva | 1 | 1 |
| David Gianopoulos | Sergrant Amis | Albert Moreno | 1 | 1 |
| Dean Cudworth | Agent Hart | Michael Kirby | 1 | 1 |
| Dominic Hoffman | Raymond Howell | Andrew Spencer | 1 | 1 |
| Gwendoline Yeo | Melissa Raab | Elise Kim | 1 | 1 |
| John Eric Bentley | Phil Holden | James Kavanaugh | 1 | 1 |
| Peter Asle Holden | Harry Swinton | Ken Castor | 1 | 1 |
| Ray Laska | Attorney General Graves | Dan Tonelli | 1 | 1 |
| Ricardo Antonio Chavira | Bundy | Congressman Alex Lopez | 1 | 1 |
| Aaron Norvell | Cop #2 | Officer | 1 | 1 |
| Benjamin John Parrillo | Agent Finn | Coast Guard Lt. Mundy | 1 | 1 |
| Carlos Sanz | Simon Cullens | Manuel Calderon | 1 | 1 |
| Colby French | Mike Murphy | NYPD Detective | 1 | 1 |
| Devon Gummersall | Mark Hauser | Matt Haley | 1 | 1 |
| Joe Sabatino | Captain Walleki | Gus Kreiger | 1 | 1 |
| Michelle Anne Johnson | Nurse | Officer Greta Bailey | 1 | 1 |
| Assaf Cohen | Yassir | Dr. Rusham Haroun | 1 | 1 |
| Presciliana Esparolini | Nurse | Teresa De La Torre | 1 | 1 |
| Scott Klace | Danny | Wallace Williger | 1 | 1 |
| Andrew Borba | Man In Subway | Mr. Mudge | 1 | 1 |
| Christopher Murray | Dockerty | Mr. Geoffrey Northcliff | 1 | 1 |
| Eamon Hunt | Saunders' Man | Frank Garrison | 1 | 1 |
| Jamison Haase | CTU Guard Jim Payne | FBI Agent Lucas | 1 | 1 |
| Michael Bofshever | Dr. Mark Kaylis | Dr. Goldberg | 2 | 1 |
| Paul Terrell Clayton | Agent Gibson | Dax Lattimer | 1 | 1 |
| Taneka Johnson | Medic | Edwina | 1 | 1 |
| Braeden Marcott | Prime Minister of Turkey | Pierre Dubois | 1 | 1 |
| Cliff Simon | Sniper | Polkovnik | 1 | 1 |
| D.C. Douglas | USOJ Blake Simon | Bill Moss | 1 | 1 |
| Kahlil Joseph | Middle Eastern Man | Bank Manager | 1 | 1 |
| Mercedes Colon | Kayla's Aide | Philip Lee's Attorney | 1 | 1 |
| Michael Petrone | Ivan | Ivan | 1 | 1 |
| Brett Rickaby | Sam | Robert McManus | 1 | 1 |
| Paris Tanaka | Hotel Guest | ER Nurse | 1 | 1 |
| Adrian Neil | Liddy | Maitre D' | 1 | 1 |
| David Kelsey | CTU Forensics Agent | Ken Fisher | 1 | 1 |
| Andrew A. Rolfes | Security Person | Lenny | 1 | 1 |
| Antonio Elias | EMT #1 | Chris Nunez | 1 | 1 |
| Ty Upshaw | Jeff Benson | Dr. Huxtable | 1 | 1 |
| Brad Grunberg | Pool Guy | Gary | 1 | 1 |
| Matt Kaminsky | Assistant | Evan Howard | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.