All 189 actors in both NCIS and The Unit
189 actors have appeared in both NCIS and The Unit, across 577 episodes. The most-credited is Kent Shocknek, ZNN News Anchor Guy Ross in NCIS and TV Newscaster in The Unit.
| Actor | In NCIS | In The Unit | Eps | Eps |
|---|---|---|---|---|
| Kent Shocknek | ZNN News Anchor Guy Ross | TV Newscaster | 11 | 1 |
| Sammi Hanratty | Tanya Jacobs | Jenny Gerhardt | 1 | 9 |
| Michael O'Neill | Former NCIS Special Agent Riley McCallister | Ron Cheals | 3 | 6 |
| Benito Martinez | Detective Conklin | Benjamin Castillo | 1 | 3 |
| David Rees Snell | Morgan Hunt | Leon Drake | 1 | 6 |
| April Parker Jones | Elaine Davis | Principal Green | 1 | 2 |
| Conor O'Farrell | William Danforth | Major General Heath | 1 | 4 |
| Matt Malloy | George Pardo | Dr. Farris | 1 | 4 |
| Eric Ladin | P.O. Thompson | Blaylock | 1 | 1 |
| Ethan Rains | Systems Administrator Kevin Hussein | Iranian Sec. Chief Asst. | 3 | 1 |
| Jason Manuel Olazábal | Todd Mercer | Mateo | 1 | 1 |
| Jonathan Adams | Thomas Zuri | Buko | 1 | 1 |
| Michael Petrone | Camping Guide Carl | Agent #1 | 1 | 1 |
| Natalija Nogulich | Judge Maddox | Evelyn | 1 | 1 |
| Pej Vahdat | Nigel Hakim, Balesh Sassnid | Zafar Kaleed | 3 | 1 |
| Shaun Duke | Azid Abu Selom | CIA Agent Dan Vorhees | 1 | 4 |
| Dean Norris | Vestman | Supervisor Marsh | 1 | 2 |
| Demetrius Grosse | Atif Nukunda, Lieutenant Merritt Hastings | Guard #1 | 2 | 1 |
| Jean St. James | Marilyn Davis | Receptionist | 2 | 1 |
| Kirk B.R. Woller | Lt. Commander Julius | Detective Penman | 1 | 2 |
| Mark Allan Stewart | Stefano Delmar | Thug | 2 | 1 |
| Omid Abtahi | Saleem Ulman | Boss | 2 | 1 |
| Zadran Wali | Imam Musa Ibn Hasan | Rami Kantera | 1 | 2 |
| Adetokumboh M'Cormack | Matthew Rousseau | Ammanuel | 3 | 1 |
| Bernard White | Afghani Ambassador Qasim Saydia | Khan | 1 | 1 |
| Brian Howe | Sherriff Tom Barrett | Griffiths | 1 | 1 |
| Brooks Almy | Mrs. McDonald | Marian Holt | 1 | 1 |
| Clare Carey | Ann Gibbs | Helene Rouse | 2 | 1 |
| Corey Stoll | Martin Quinn | Bobby Carrol | 3 | 1 |
| David Meunier | Wade Cutler | Michael Angelli | 1 | 1 |
| Dylan Kenin | Freddie Fountain | Randall Deacon | 1 | 2 |
| Jamie McShane | Samuel Hayes | Detective Renner | 1 | 1 |
| Jim Beaver | Captain Tom O’Rourke | Lloyd Cole | 1 | 1 |
| Karl Makinen | Marine Staff Sgt. James Dawson | Coots | 1 | 2 |
| Kevin Kilner | Patrick Norian | Col. Bazemore | 1 | 1 |
| Laz Alonso | S Sgt. Washington | Sgt. Carmichael | 1 | 1 |
| Nasser Faris | Arash Kazmi | Ayoub | 2 | 1 |
| Robert Rusler | Marine Lt. Colonel Curtis Teague | Colonel | 1 | 1 |
| Stacy Edwards | Commander Janice Byers | Marian Reed | 1 | 2 |
| Tim Griffin | Marine Sgt. Malcolm Porter | Morgan Eliot | 1 | 1 |
| Chris Ellis | Gunnery Sgt. John Deluca | Congressman Bruce Gelber | 1 | 2 |
| Isabella Hofmann | Judge Evelyn Wallace, Kate Reynolds | Agent Terrell | 2 | 1 |
| James MacDonald | Capt. Faul, Navy Admiral Norton Padgett | Willis Meeks | 2 | 1 |
| Oren Dayan | Karif Yasin | I.D.F Techie | 2 | 1 |
| Robert Catrini | General Floyd Brancato, Jake Ford | D.E.A. Chief Johnson | 2 | 1 |
| Andrew Rothenberg | Bruce Solomon | Pool Player | 1 | 1 |
| Bill Heck | Cory Mitas | Philip | 1 | 1 |
| Cas Anvar | Masoud Tariq | 1st Iranian Diplomat | 1 | 1 |
| Chris Tardio | Former Marine PFC Kenneth Dixon | Sgt. Pruitt | 1 | 1 |
| DeVaughn Nixon | Scott Gunderson | Sgt. Larson | 1 | 1 |
| François Chau | Henry Deng | Sub-Captain | 1 | 1 |
| James Ellis Lane | U.S. Marshal | Customs Agent | 1 | 1 |
| Jose Pablo Cantillo | DEA Agent Mark Sisco | Rock | 1 | 1 |
| Judith Moreland | Carrie Lewis | Ruth Watson | 1 | 1 |
| Julian Acosta | Matt Burns | Dr. Reyes Flores | 1 | 1 |
| Karina Logue | Mrs. Johnson | Dr. Passani | 1 | 1 |
| Katherine Von Till | Pamela Juventas | Waitress | 1 | 1 |
| Kristen Ariza | CIA Operations Officer Loretta Tennison | Keisha Holmes | 1 | 1 |
| Lela Loren | NCIS Special Agent Isabella Cortez | Carina | 1 | 1 |
| Navid Negahban | Jimmy Shaloub | Faheed | 1 | 1 |
| Patrick St. Esprit | Navy Commander Weidman | Agent Inman | 1 | 1 |
| Rafael Petardi | Afrim Murati | Ortiz | 1 | 1 |
| Ray Campbell | Tatum Dell | Curtis Long | 1 | 1 |
| Sam Littlefield | Oliver Sherry | The Waiter | 1 | 1 |
| Shannon Cochran | Mallory Linn | Capt. Lisa Tate | 1 | 1 |
| Shaun Toub | Khalid Mohammed Bakr | Misha Belikov | 1 | 1 |
| Carlos Lacamara | Joe Tabaraz | Luis Inez Reale | 1 | 2 |
| Cotter Smith | NCIS Special Agent in Charge Sam Stevens | Bill Lachey | 2 | 1 |
| Don McManus | Mark Stafford | CIA Agent Billy | 1 | 2 |
| Aaron Craven | U.S. Congressman for Virginia Eric Riley | Rogue Agent | 1 | 1 |
| Alex Hyde-White | Dr. Adam Tallridge | Dr. Randall | 1 | 1 |
| Anthony Brandon Wong | Navy Captain Doctor Russell Nguyen | Prince Sakda | 1 | 1 |
| Daz Crawford | Matt Barrows | Hart | 1 | 1 |
| Eltony Williams | Marine Gunnery Sergeant Cal Groves | Officer Hitchner | 1 | 1 |
| Henri Lubatti | Andre Yorka | Brian Mickey | 1 | 1 |
| Ilia Volok | Burly Man, Kostya Valkov | Deputy Grubo | 2 | 1 |
| Jack Guzman | Wade | Water Guard | 1 | 1 |
| Jim Meskimen | Doctor Farrel Emerson | Lawyer | 1 | 1 |
| Jonno Roberts | Scott Pell | Serin | 1 | 1 |
| Kenneth Mitchell | Nathan Curtis | Keith Soto | 1 | 1 |
| Keone Young | Lee Sung | General Lao | 1 | 1 |
| Kim Estes | Minister | Driver | 1 | 1 |
| Larry Sullivan | Flight Surgeon | Avner | 1 | 1 |
| Mac Brandt | Jake Spoke | MP #1 | 1 | 1 |
| Mark Harelik | Ron Levinson | Secretary of State | 1 | 1 |
| Matt Bushell | Marine Lt. Rob King | Sgt. Burroughs | 1 | 1 |
| Michael Shamus Wiles | Jimmy the Bartender | General Navarro | 1 | 1 |
| Myk Watford | Army Major Eric Sweigart | Sergeant Wallace | 1 | 1 |
| Necar Zadegan | Marine Lt. Rihama Shaheen | Pari | 1 | 1 |
| Pat Asanti | Ruben Williams | Congressman Morton | 1 | 1 |
| Peter Breitmayer | Dwight Romano | Albright | 1 | 1 |
| Ravil Isyanov | Nikolai Puchenko | Maslin | 1 | 1 |
| Roberto Sanchez | Jose | Captain | 1 | 1 |
| Sam Daly | Virginia State Police Officer Dale Moseby | Waiter | 1 | 1 |
| Sean McGowan | Lieutenant Wallace | Sgt. Edison | 1 | 1 |
| Vinessa Antoine | Sarah Willis | Tribal Daughter | 1 | 1 |
| Nick McDow | Javid | Teenage Son | 1 | 2 |
| Andrew Thacher | West Virginia State Trooper Sergeant Paul Westgard | Policeman | 1 | 1 |
| Benjamin Brown | Marine Capt. Arvidas | Young George Blane | 1 | 1 |
| Billy Smith | Jim Virgil | Lieutenant | 1 | 1 |
| Brian Norris | Lucas | Scared Soldier | 1 | 1 |
| Conrad Roberts | Benjamin King | Elder | 1 | 1 |
| David Diaan | Farid Bawali | The Vet | 1 | 1 |
| David Paluck | Dir. Glenn Webb | Dismissed Candidate #1 | 1 | 1 |
| Giovanni Lopes | Mr. Nordstrom | Pablo | 1 | 1 |
| James Huang | Petty Officer Wong | Swat Officer #2 | 1 | 1 |
| John Sloan | Luke Pischedda | Brad | 1 | 1 |
| Jorge-Luis Pallo | Lt. Matthew Sanchez | Turo | 1 | 1 |
| Kate Orsini | FBI Special Agent Isabel Monet | Jenny | 1 | 1 |
| Kevin McCorkle | Col. Dan McClafferty | Lt. Colonel West | 1 | 1 |
| Lisa Banes | Ambassador Olivia Edmunds | Dr. Rhea Morrison | 1 | 1 |
| Luis Carazo | Hank Hammersmith | Soccer Player #1 | 1 | 1 |
| Nancy Youngblut | Joanna "Mama Jo" Dalton | Ila Neihaus | 1 | 1 |
| Nick E. Tarabay | Haziq Khaleel | Henchman | 1 | 1 |
| Nick Toren | Dwight's Father | Clerk | 1 | 1 |
| Nicole DuPort | Emily McBride | Amy | 1 | 1 |
| Peter James Smith | Benjamin Harmey | Landon | 1 | 1 |
| Philip Shahbaz | Doctor Hamza Bashar | Dasani | 1 | 1 |
| Rebecca Tilney | Madeline Dumont | Lynette | 1 | 1 |
| Rey Valentin | Dwayne Wilson | Sergeant Ross | 1 | 1 |
| Rodney Scott | Brian Dempsey | Marty | 1 | 1 |
| Sharon Brathwaite | Lisa Marsden | Security Tech | 1 | 1 |
| Tyler Jacob Moore | Richie Rose | Soldier | 1 | 1 |
| Will Beinbrink | Oliver Lambert | Henchman #1 | 1 | 1 |
| Willie C. Carpenter | Arthur Gruden | George Blane | 1 | 1 |
| Mackenzie Firgens | Eleanor Parker | Desperate Caller | 2 | 1 |
| Alain Uy | Ray Kessel | Employee, Operations Assistant | 1 | 2 |
| Andrew Kirsanov | The Russian | The Imposter | 1 | 1 |
| Bernardo de Paula | Alfredo Montez | Sanchez | 1 | 1 |
| Cory Tucker | Brendan | Sergeant in Charge | 1 | 1 |
| Craig Robert Young | Ian Lipovetskiy | Nigel | 1 | 1 |
| Hilary Angelo | P.O. Jessica Smith | Maddy | 1 | 1 |
| Homie Doroodian | Seth Shakir | Javad | 1 | 1 |
| J. Eddie Martinez | Roger Davis | Office Guard | 1 | 1 |
| Joseph Kamal | Captain Kassib Yosef | Medical Examiner | 1 | 1 |
| Kate Norby | Diane Russio | Pam | 1 | 1 |
| Larry Bates | Malik Madson | Detective | 1 | 1 |
| Michael Marc Friedman | Gunnery Sgt. Joseph Wilkes | Swat Lieutenant | 1 | 1 |
| Ned Schmidtke | Congressman Frank Getz | Don Rohmer | 1 | 1 |
| Ned Vaughn | Navy Capt. Dean Pullman | Ambassador Henry Trotter | 1 | 1 |
| Aaron Hendry | Bob Mugford | The Australian | 1 | 1 |
| Andy Umberger | FBI Agent Freedman | Agent Bluman | 1 | 1 |
| Anne Bedian | Hamida | Mother | 1 | 1 |
| Annie O'Donnell | Agnes Anderstout | Little Old Lady | 1 | 1 |
| Brando Eaton | Patrick Ellis | Josh | 1 | 1 |
| Debbie Campbell | Mary Elizabeth Donahue | Sharon | 1 | 1 |
| Emerson Brooks | Navy Lieutenant Carl Greer | Loadmaster | 1 | 1 |
| Eric Steinberg | Marcos Siazon | General Raja | 1 | 1 |
| Jarrod Crawford | Marine M.P. Sgt. Brooks | Mutt | 1 | 1 |
| Jeffrey Hutchinson | Mister Dale Wagner | Building Handyman | 1 | 1 |
| Joel Polis | Ronald Ostrowski | Administrator | 1 | 1 |
| Kevin Will | Will Sutton | Man in Stall | 1 | 1 |
| Michael Broderick | Navy Commander James Shelty | Doctor | 1 | 1 |
| Scott Klace | Dr. Timothy Hass | Wilpon | 1 | 1 |
| Sean Blakemore | Navy Chief Petty Officer Jerome Carr | African Soldier | 1 | 1 |
| Zoran Korach | Metro Police Officer Verma | Dima | 1 | 1 |
| Ariel Felix | Alon ATU | Asst. General Arya | 1 | 1 |
| Eugene Shaw | Marine Master Sergeant Neil Koh | Concierge | 1 | 1 |
| Fareed Ward | JSOC Navy Lieutenant Eric Kagen | Base Tech | 1 | 1 |
| Geno Monteiro | Sergeant Seth Welch | Secret Service Agent | 1 | 1 |
| Gill Gayle | Waylon | Pawn Shop Owner | 1 | 1 |
| Gus Buktenica | Drunk Guy | Kyle | 1 | 1 |
| Jeremy Denzlinger | NCHP Colonel Bill Timmons | Morgan | 1 | 1 |
| Justin Alston | NCIS Special Agent Holgate | Male Agent #1 | 1 | 1 |
| Marcella Lentz-Pope | Amy Bright | Nina | 1 | 1 |
| Martin Papazian | Sgt. Jake Roberts | Unit Member (Sgt. Johnson) | 1 | 1 |
| Mike Kersey | Janitor Harry Cooper | Drunken Trucker | 1 | 1 |
| Naz Deravian | Mosuma Daoub | Shirin | 1 | 1 |
| Nigel Gibbs | Admiral Theodore Tully | General Hayes | 1 | 1 |
| Robert Mammana | Sheriff Greg Pearson | Agent #1 | 1 | 1 |
| Susan Duerden | Lorraine Mallard | Lara Beerson | 1 | 1 |
| Tom Kiesche | Bob Whitehead | Gerald Thomas | 1 | 1 |
| Alex Nevil | Male Patient | Flight Medic #1 | 1 | 1 |
| Ben Cain | Cy White | Mitchell | 1 | 1 |
| Bo Kane | North Carolina State Trooper William Forman | Interviewer | 1 | 1 |
| David Gautreaux | Richard Colford | Nina's Father | 1 | 1 |
| Michelle Anne Johnson | DOD Counterintelligence Supervisor Emma Fisher | Support Tech | 1 | 1 |
| Rob Reinis | Drew Paragon | Man in Suit | 1 | 1 |
| Adam Lieberman | U.S. Customs Officer Cruz | FBI Agent | 1 | 1 |
| Alexa Fischer | Navy Commander Jennifer Wade | Sophie | 1 | 1 |
| Chase Ryan Jeffery | Kyle Zorin | Sam | 1 | 1 |
| Kamel Haddad | Yemeni Foreign Affairs Minister | Father | 1 | 1 |
| Nicole Pettis | Haley | Therapist | 1 | 1 |
| George Gerdes | Field Marshall Nigel Rand | Detective | 1 | 1 |
| Robert Manning, Jr. | Officer Alex Taylor | Security Man | 1 | 1 |
| Sammy Sheik | Iraqi Militia Guard at Road Block | Insurgent Leader | 1 | 1 |
| Simon James | Vendor | Rupert | 1 | 1 |
| Wolf Amer | Iraqi Militia Guard at Shed | Hassan | 1 | 1 |
| Dan Lundy | Technician | Preppie Spook | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.