All 201 actors in both NCIS and The District
201 actors have appeared in both NCIS and The District, across 597 episodes. The most-credited is Christopher B. Duncan, CIA Officer Dale Harris in NCIS and Sgt. Ray Cutter in The District.
| Actor | In NCIS | In The District | Eps | Eps |
|---|---|---|---|---|
| Christopher B. Duncan | CIA Officer Dale Harris | Sgt. Ray Cutter | 1 | 29 |
| Pancho Demmings | Gerald Jackson | Brian Davis | 15 | 1 |
| Richard Fancy | Leonard Weiss | U.S. Attorney Bruce Logan | 1 | 13 |
| Richard Burgi | Randall Hammond | Captain Vincent Hunter | 1 | 12 |
| Melinda McGraw | Diane Sterling | Vicky Montgomery | 6 | 4 |
| Leslie Hope | SecNav Sarah Porter | FBI Special Agent Grace Curry | 6 | 2 |
| Elayn J. Taylor | Odette Malone | Aida Birch | 5 | 1 |
| Michael Nouri | Mossad Director Eli David | FBI Agent Neil Spence | 5 | 1 |
| Alexandra Barreto | Navy Petty Officer Rena Oliver | Maria Rodriguez | 1 | 9 |
| Francis X. McCarthy | Roman Parker | Admiral Franck Moore | 4 | 1 |
| Joseph C. Phillips | Phillip Conway | Mayor Morgan Douglas | 1 | 9 |
| Valarie Pettiford | Sonia Eberhart | Gayle Noland | 2 | 8 |
| Anne-Marie Johnson | Marine Col. Stacey Radcliffe, Senator Selena Grayson | Renee Sawyer, Rita Douglas | 2 | 2 |
| Megan Gallagher | Under Secretary of the Navy Jennifer Leo | Dr. Cherry | 3 | 1 |
| Vanessa Bell Calloway | Sally Hammond | Gwen Hendrix | 1 | 6 |
| Doug Savant | Larry Clannon, Marine Brigadier General Daniel Kent | Jeffrey Riverton | 2 | 1 |
| Morocco Omari | NCIS Special Agent Thomas Survoy | Garvin Battles | 2 | 1 |
| Paul Johansson | Porter Brandt | Father Patrick Debreno | 1 | 2 |
| Rodney Scott | Brian Dempsey | Jack Mannion Jr. | 1 | 5 |
| Al Sapienza | Maurice Riva, Cmdr. William Foley | Jeff Samuels | 3 | 1 |
| Alla Korot | Linda DeMarco | Erin Vratalov | 1 | 5 |
| Christian Clemenson | Perry Sterling | Cliff / Bob | 1 | 1 |
| Geoffrey Rivas | Ricardo Guzman | Detective Gus Mendoza | 1 | 5 |
| James Eckhouse | Fred Cabrisio | Congressman Grant Kingsley | 1 | 1 |
| Robert Wisdom | Warden Gene Halsey | Mr. Broyles | 1 | 1 |
| Tony Pasqualini | Man | Vice Principal | 1 | 1 |
| Don Franklin | FBI Agent Ron Sacks | AJ | 3 | 2 |
| Sheila Frazier | ZNN Reporter Debra Green | Mayor's Wife | 4 | 1 |
| Andrew Hawkes | Dean Campbell | Sergeant | 2 | 1 |
| Gil McKinney | Crewman, Logan Donahue | Dave #3 | 2 | 1 |
| Gina Hecht | Christine Newhall | Irma Coleman | 1 | 5 |
| Scott Klace | Dr. Timothy Hass | CIA Agent "John" | 1 | 5 |
| Tamara Taylor | NCIS Special Agent Cassie Yates | Agent Halpern | 2 | 1 |
| Lee Garlington | Mary Hanlan | Evelyn Parras | 1 | 3 |
| Ashley Jones | Nancy Douglas | Dana Rayburn | 1 | 1 |
| Brian Howe | Sherriff Tom Barrett | Hatfield | 1 | 1 |
| Chelsea Tavares | Ramona Whistler | Angie Dayton | 1 | 1 |
| Chris L. McKenna | Eric Webb | Greg | 1 | 1 |
| Daniel Roebuck | Port Security Chief Matthew Lake | Officer Jimmy Upland | 1 | 1 |
| Dean Norris | Vestman | Charles N. Burke | 1 | 1 |
| Deborah Strang | Diane Warner | Mrs. Stockwell | 1 | 1 |
| Geoff Pierson | Roy Carver | Matthew Kendon | 1 | 1 |
| George Wyner | Randall Worthington | Jonathan Plath | 1 | 1 |
| Hayley Erin | Kasey Powers | Maggie Lustig | 1 | 1 |
| Jason Beghe | Blake Martin | Officer Terry, Terry Donnelly | 1 | 2 |
| Jennifer Rhodes | Claudia | Margaret De Sica | 1 | 1 |
| John Rubinstein | Bob | George Wilson | 1 | 1 |
| Michael Welch | Kody Meyers | Christian Gilroy | 1 | 1 |
| Nasser Faris | Arash Kazmi | Masoud Tabrizi | 2 | 1 |
| Sara Botsford | Dr. Helen Berkley | Lucia Burns | 1 | 1 |
| Spencer Garrett | Commander Spenser | Stephen McQuade | 1 | 1 |
| Vernée Watson | Miss Helen Frimkes | Mrs. Lenora Simms | 1 | 1 |
| Bobby Hosea | Navy Captain Austin Sears | Gordon Beecham | 1 | 2 |
| David Chisum | Doctor David Woods | Officer Loman | 2 | 1 |
| Shaun Toub | Khalid Mohammed Bakr | Boris | 1 | 2 |
| Bellamy Young | ATF Agent Melinda Stone | Bethany Fortoro | 1 | 1 |
| Daniel Zacapa | Detective Martin Alonzo | Mario Lopez | 1 | 1 |
| Erick Avari | Col. Dan McClafferty | Omar Khalid | 1 | 1 |
| James Martin Kelly | Mookie Perkins | Commander Fisk | 1 | 1 |
| John Kapelos | Vice Principal Vic Castor | Victor Abbot | 1 | 1 |
| Judy Kain | Gladys Stone | Dorothy Nixon | 1 | 1 |
| Kari Coleman | Maggie Scott | Tracy Riverton | 1 | 1 |
| Kristen Ariza | CIA Operations Officer Loretta Tennison | Donna Boyd | 1 | 1 |
| Margaret Easley | Sara Nelson | Katherine Lustig | 1 | 1 |
| Mary Page Keller | Lt. Cmdr. Miki Shields | Stephanie Pace | 1 | 1 |
| Matt Nolan | Paul Spencer | Officer Seth Delany | 1 | 1 |
| Nicki Micheaux | Metro P.D. Detective Martha Mayer | Irene Baxter | 1 | 1 |
| Ray Campbell | Tatum Dell | RC | 1 | 1 |
| Sonya Leslie | Nancy | Krystal Howard | 1 | 1 |
| Steve Eastin | Frank Smith | Chief Darby | 1 | 1 |
| Walter Perez | Army First Lieutenant Michael Waters | Tico Rodriguez | 1 | 3 |
| Wayne Lopez | Prison Sergeant Desmond Walters | CSU Cop | 1 | 1 |
| William O'Leary | Chief Martin Freydano | Don Hardin | 1 | 1 |
| CCH Pounder | Jefferson Parish Coroner Doctor Loretta Wade | Eileen Carmichael | 2 | 1 |
| Dominic Pace | George Barlow, Vincent Pazzo | Danny Johnson | 2 | 1 |
| William Allen Young | FBI Director Barry Hutchins, U.S. Secretary of Defense Moses McClaine | Reverend Hamilton | 2 | 1 |
| Derek Anthony | NCIS Maintenance Worker Lennox Kincaid | Bill Segretti, Uni Cop #2 | 1 | 3 |
| Jarvis W. George | Navy Lt. Morgan Tolliver, U.S. Deputy Marshal John Wright | Young Cop | 3 | 1 |
| David Carey Foster | Nicholas Mallard | Thin Man | 1 | 1 |
| Gina St. John | ZNN Reporter Cindy Ames | Nurse | 2 | 1 |
| Glenn Morshower | Cmdr. Robert Peters | Walt Cornell | 1 | 1 |
| Ilia Volok | Burly Man, Kostya Valkov | Russian Man | 2 | 1 |
| Jim Abele | Army Colonel Holt Driscoll | Law Partner | 1 | 1 |
| JoNell Kennedy | Navy Commander Lisa Cleveland | Prostitute | 1 | 1 |
| Ken Lerner | Albert Hencheck | Judge | 1 | 1 |
| Matthew Jones | Navy Commander Rick Odwalla | Paramedic | 1 | 1 |
| Peter Asle Holden | Vector Control Worker | Robert Bamford | 1 | 1 |
| Roderick McCarthy | Dane Frazier | Julius Tate | 1 | 1 |
| Shari Belafonte | Professor Annabel Davis | Esther | 1 | 1 |
| Terrell Tilford | Navy Captain Jack Painter | Raynel Byrd | 1 | 1 |
| Vincent Duvall | Officer Holt | Evan Pearson | 1 | 1 |
| Willie C. Carpenter | Arthur Gruden | Jack Favreau | 1 | 1 |
| Aaron D. Spears | Marine Major Michael Strickland | Thief #1 | 1 | 1 |
| Beau Billingslea | Denny "Pop" Rydell | Mr. Haywood | 1 | 1 |
| Benjamin King | Public Affairs Office Ron Sands | Ruben Howell | 1 | 1 |
| Beverly Leech | Vice Admiral Janet Kleibor | Joyce Dutton | 1 | 1 |
| Brian Leckner | Ben | Detective Gleason | 1 | 1 |
| Frank Gallegos | Pete | Landers | 1 | 1 |
| Jeffrey Johnson | Navy Commander Nelson Tunney | Ken | 1 | 1 |
| Jeremiah Birkett | Dean Neil Pattterson | Lionel Wheeler | 1 | 1 |
| John Sloan | Luke Pischedda | Icarus Brian Mawbry | 1 | 1 |
| Kate Orsini | FBI Special Agent Isabel Monet | Joann Baxter | 1 | 1 |
| Marcelo Tubert | Nazar Boulos | Pastor Dominguez | 1 | 1 |
| Marcus Brown | Navy Petty Officer Dominic Dimarco | Gangbanger #1 | 1 | 1 |
| Matt Crabtree | Curt Carver | Dr. Constantine Papadopoulos | 1 | 1 |
| Michael B. Silver | Nicholas Sandlock | Lawyer | 1 | 1 |
| Sam Sarpong | Bobby Jackson | Otis McClure | 1 | 1 |
| Samantha Quan | Amy Linden | Abby Latham | 1 | 1 |
| Sandra Thigpen | Nurse Annie Hayes | Ceci Willis | 1 | 1 |
| Scott MacDonald | Militia Leader | Andersn Hess | 1 | 1 |
| Sharon Brathwaite | Lisa Marsden | Jenny Wilton | 1 | 1 |
| Shirley Jordan | Mary Tyler | Sandra Rooney | 1 | 1 |
| Stephanie Venditto | Dr. Jane Leisten | Yvonne | 1 | 1 |
| Andi Carnick | Penny Block | Teresa Haskell | 1 | 1 |
| Ben Murphy | Capt. Veitch | Congressman Phillip Hallett | 1 | 1 |
| Cooper Thornton | Navy Captain Peter Vandevere | Congressman Taylor | 1 | 1 |
| Craig Robert Young | Ian Lipovetskiy | Dixon Stout | 1 | 1 |
| Darryl Alan Reed | Cabbie | Earl Farmer | 1 | 1 |
| David Raibon | Survivalist Trainee #2 | Cool | 1 | 1 |
| Donald Sage MacKay | Navy Commander Kerry Killmartin | Reporter #1 | 1 | 1 |
| Gerry Becker | William Baer | Chester Glass | 1 | 1 |
| Helen Eigenberg | Lt. Cmdr. Amanda Wilkerson | Dr. Lindsay Abbott | 1 | 1 |
| Homie Doroodian | Seth Shakir | Zayed Faisal | 1 | 1 |
| James Parks | Brian Sikes | Officer Lea | 1 | 1 |
| Larry Cedar | Jason Kaplan | Doctor | 1 | 1 |
| Matt Corboy | Petty Officer Lance Tolliver | Cop #1 | 1 | 1 |
| Matt Lowe | Joey Barrett | Cloud Splitter | 1 | 1 |
| Michael Edwin | TSA Officer Perkins | Drunk | 1 | 1 |
| Rick Deats | Navy Admiral John McGee | John Ellis | 1 | 1 |
| Russell Richardson | Army Sergeant Chad Spooner | Shane | 1 | 1 |
| Scott Alan Smith | Det. Mauceri | Tracht | 1 | 1 |
| Tom Wright | Warden Sam Kelleher | Deputy Mayor of Budgetary Affairs Paul Mulberry | 1 | 1 |
| Andrea Grano | Navy Commander Eleadora Rey | Assistant D.A. | 1 | 1 |
| Annie O'Donnell | Agnes Anderstout | Old Woman | 1 | 1 |
| Bennet Guillory | Henry | Bob Bradshaw | 1 | 1 |
| Charles Duckworth | Joe Bennes | Frat Guy | 1 | 1 |
| David Pease | Sheriff Lee Chandler | Priest | 1 | 1 |
| Geoff Meed | Corporal David Stenson | Chester Gibbons | 1 | 1 |
| James Leo Ryan | Richard Oscar Shea AKA Ricochet | Villain | 1 | 1 |
| Javi Mulero | Earl Grieve | Cop #1 | 1 | 1 |
| John Eric Bentley | Captain Arthur Caldwell | Bailiff | 1 | 1 |
| Jonathan Fraser | Secret Service Officer Jack Lyon | Tom Barrack | 1 | 1 |
| Kendall Clement | Foreman | Roland Gamble | 1 | 1 |
| Kevin Will | Will Sutton | Harlan Kirby | 1 | 1 |
| Larry Bates | Malik Madson | Dr. Gordon | 1 | 1 |
| Michael Dempsey | Coach Morgan | Otto | 1 | 1 |
| Michael Patrick McGill | Joey Kelly | Gary Bristow | 1 | 1 |
| Nikki Crawford | Dr. Shawna Street | Reporter #2 | 1 | 1 |
| Regi Davis | Commander David Smith | Anesthesiologist | 1 | 1 |
| Robert Joseph | Lt. Commander Folsom | Scott Fagen | 1 | 1 |
| Sean Blakemore | Navy Chief Petty Officer Jerome Carr | Achmed Ali (Tyre Morning) | 1 | 1 |
| Stephanie Escajeda | Natalia | Russian Translator | 1 | 1 |
| Todd Jeffries | Thomas Gardiner | Sgt. Nick Stiles | 1 | 1 |
| Wendy Davis | Navy Captain Kensington Bloom | Saundra Dayton | 1 | 1 |
| Ariel Llinas | Federale #1 | Bradford Lloyd | 1 | 1 |
| Cliff Weissman | Nicolas Everett | Chuck Snyder | 1 | 1 |
| Dane Northcutt | Marine Major Kerry | U.S. Marshal Robert Morsen | 1 | 1 |
| Dayo Ade | ER Orderly | Toro | 1 | 1 |
| Derrex Brady | Navy Corpsman | Joshua Douglas | 1 | 1 |
| Dwayne Macopson | Marine Major Carl Pritchard | Marvin Battles | 1 | 1 |
| Erich Anderson | Jack Canton | Braxton | 1 | 1 |
| Greg Collins | Police Officer Metro PD | Duane Reston | 1 | 1 |
| Ion Overman | Jane Thomas | Gigi | 1 | 1 |
| Jimmy Walker, Jr. | Former Army Sgt. William "Shelly" Jolson | Facilities Manager | 1 | 1 |
| Jon Curry | Deputy Tyler Barrett | E.R. Doctor | 1 | 1 |
| Lucy Butler | Roda Robinson | Councilwoman Thompson | 1 | 1 |
| Nayo Wallace | Doctor | Young Colette | 1 | 1 |
| Nigel Gibbs | Admiral Theodore Tully | House Inspector | 1 | 1 |
| Phil Abrams | Hotel Manager | Kiosk Man | 1 | 1 |
| Ransford Doherty | Navy Seal Petty Officer Second Class Zachary Harper | Barry Rhone | 1 | 1 |
| Time Winters | Scholarly Man #2 | Priest | 1 | 1 |
| Tom Everett | CIA Head of Intelligence Kirkwood Zaysen | Agent Vargas | 1 | 1 |
| Ty Upshaw | Security Guard | Naval Officer | 1 | 1 |
| Brian Fitzpatrick | Willis Hirst | Daniel Ebersol | 1 | 1 |
| Frank Alvarez | Rico | Eztebe | 1 | 1 |
| George Gerdes | Field Marshall Nigel Rand | Art | 1 | 1 |
| H. Richard Greene | Thomas Victor | Chief Horace Foley | 1 | 1 |
| James A. Watson, Jr. | Navy Vice Admiral Richard Hasley | Reverend Wilkins | 1 | 1 |
| Justin Alston | NCIS Special Agent Holgate | Officer Rubleski | 1 | 1 |
| Laura P. Vega | Maria | Waitress | 1 | 1 |
| Matt Kaminsky | Henry Spivey | FBI Tech | 1 | 1 |
| Max E. Williams | Louis Shekian | Officer Kirkland | 1 | 1 |
| Roberto Sanchez | Jose | Ruben Martinez Salvador | 1 | 1 |
| David Mattey | Goliath | Little Biggie | 1 | 1 |
| Harold Cannon Lopez | Elderly Man | El Rey | 1 | 1 |
| Marci Simon | Mrs. Simek | Nurse #1 | 1 | 1 |
| Michelle Anne Johnson | DOD Counterintelligence Supervisor Emma Fisher | Reporter #2 | 1 | 1 |
| Paul Webster | Lt. Commander Alex Tanner | Hatcher's Assistant | 1 | 1 |
| Alex Morris | Former NCIS Special Agent Kurt Nelson | Commander Garrison | 1 | 1 |
| Christopher Michael Moore | Miles Larson | Bartender | 1 | 1 |
| Don Brunner | David | Diner Patron | 1 | 1 |
| Marc Senter | Pvt. Stearns | Jeffrey Stock | 1 | 1 |
| Rigo Sanchez | Boyfriend | Corona's Assistant | 1 | 1 |
| Alex Solowitz | Dave | Moose | 1 | 1 |
| Cazimir Milostan | Officer | Honor Guard Leader | 1 | 1 |
| Oleg Zatsepin | Sal Balducci | Bulldozer Driver | 1 | 1 |
| Yvette Cason | Maureen | Principal Joanne Drake | 1 | 1 |
| Michael Guarnera | Vic Gera | Cop #2 | 1 | 1 |
| Patrick Macmanus | Seaman Apprentice Sparks | Bob #1 | 1 | 1 |
| Steve Bridges | George W. Bush | Irma's Lawyer | 1 | 1 |
| John Marrott | Master Chief PO RoE | Bailiff | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.