All 120 actors in both NCIS and SEAL Team
120 actors have appeared in both NCIS and SEAL Team, across 622 episodes. The most-credited is Jamie McShane, Samuel Hayes in NCIS and Capt. Greyson Lindell in SEAL Team.
| Actor | In NCIS | In SEAL Team | Eps | Eps |
|---|---|---|---|---|
| Jamie McShane | Samuel Hayes | Capt. Greyson Lindell | 1 | 17 |
| Emily Swallow | Darlene Kelp | Dr. Natalie Pierce | 1 | 15 |
| Mike Wade | Navy Petty Officer First Class Tyrell Brown | Lt. Wes Soto | 1 | 15 |
| Rachel Boston | Siri Albert | Hannah Oliver | 1 | 11 |
| Tim Chiou | Petty Officer Kevin Lim | Michael "Thirty Mike" Chen | 1 | 11 |
| Michael McGrady | Walter Dunn | Captain Harrington | 1 | 8 |
| Mac Brandt | Jake Spoke | Ross Curtis | 1 | 4 |
| Philip Anthony-Rodriguez | Former Marine LCPL Lloyd Jackson | Ops Officer Smith | 1 | 4 |
| Daniel Gillies | Royal Marine Major Peter Malloy | Nate Massey | 1 | 2 |
| Doug Savant | Larry Clannon, Marine Brigadier General Daniel Kent | Malcolm | 2 | 1 |
| Rif Hutton | Marine General Phillip Braxton | Emory | 2 | 1 |
| Mouzam Makkar | Sahar | Commander Nouri | 2 | 3 |
| Alex Fernandez | Joseph Flores | Admiral Rivas | 2 | 5 |
| Matthew Hancock | Geoffrey Sullivan | Grant | 1 | 6 |
| Dennis Cockrum | NSA Tech, Senator | General Cook | 2 | 2 |
| Turhan Troy Caylak | Mr. Jamaah | Imam Sahan | 1 | 1 |
| Tyler Jacob Moore | Richie Rose | Major Gerretsen | 1 | 5 |
| Louis Ferreira | Harlan Atwood, Metro Detective Nick Burris | Dr. Conners | 2 | 3 |
| Samantha Sloyan | Emily Goodwin | Victoria Seaver | 1 | 4 |
| Lochlyn Munro | Kevin Holt | Mike Zell | 1 | 2 |
| Sumalee Montano | NCIS Special Agent Nicole Taggart | Agent Susan Carver | 2 | 1 |
| Ismail Bashey | Nabi | Salim Hakan | 1 | 3 |
| Luis Jose Lopez | Javier Martinez | Carlos Ramos | 1 | 3 |
| Michael Beach | Metro Detective Robert Flowers | Chaplain Ryan Walker | 1 | 3 |
| Don Franklin | FBI Agent Ron Sacks | Pastor Mel | 3 | 2 |
| Antonio Jaramillo | Pedro Rodriguez | El Lazo | 1 | 2 |
| Beth Riesgraf | Maxine "Max" Edwards | Cindy | 1 | 1 |
| Brian Howe | Sherriff Tom Barrett | Oliver Carter | 1 | 1 |
| Chris L. McKenna | Eric Webb | Pete Green | 1 | 1 |
| Christy St. John | Lt. Renee Harlan | Nora | 1 | 1 |
| Eve Gordon | Amanda McCormick | Dr. Carpenter | 1 | 1 |
| Grant Harvey | Ian Maddux | Lt. Rayden | 1 | 1 |
| Hector Atreyu Ruiz | Marine First Lieutenant Michael Torres | Cesar Cabrera | 2 | 2 |
| Jamey Sheridan | Navy Admiral John McGee | Hayes, Sr. | 1 | 1 |
| Kurt Yaeger | Freddie Linn | Theo Papadakis | 1 | 1 |
| Mark Rolston | George Westcott | David Alper | 2 | 1 |
| Peter Macon | ICE Officer Todd Baldwin | Master Chief Wilke | 1 | 1 |
| Peter Murnik | Admiral Michael Caplinger | Dr. Wilson | 1 | 2 |
| Reiko Aylesworth | Anne Marshall | Dr. Julie Kruger | 1 | 1 |
| Steven Culp | Navy Cmdr. William Skinner | Judge Bixby | 1 | 1 |
| Philip Shahbaz | Doctor Hamza Bashar | Yassine "Raqqa Jacques" Kassen | 1 | 3 |
| David Chisum | Doctor David Woods | Brett Baxter | 2 | 1 |
| Dylan Bruno | Jason Paul Dean | Deke | 2 | 1 |
| Erica Luttrell | Allison Asher | Ronnie | 1 | 2 |
| Louise Lombard | Special Agent Lara Macy | Claire North | 2 | 1 |
| Nick Massouh | Navy Chief Petty Officer Refet Ramadani | Arman Soroush | 1 | 2 |
| Corey Reynolds | Navy Lieutenant Commander Aaban El-Sayad | Scott Patton | 1 | 1 |
| Edward Kerr | Scott Cutwright | Captain Edwards | 1 | 1 |
| Jonathan Medina | Navy Commander Ted Morgan | Commander Tim Algren | 1 | 1 |
| Olesya Rulin | Kim Troutman | Jenna Robertson | 1 | 1 |
| Ray Campbell | Tatum Dell | Mr. Langston | 1 | 1 |
| Sunkrish Bala | Sameer Aziz | Fitzgerald | 1 | 1 |
| Van Epperson | Pop | Senator Walters | 1 | 1 |
| William O'Leary | Chief Martin Freydano | Mark Buckman | 1 | 1 |
| Bobby Neely | Roland Alan Moore | Remington | 1 | 2 |
| Catherine Dent | Former NCIS Special Agent Whitney Sharp | Liddy Breen | 2 | 1 |
| Debra Christofferson | Rita Gregg, Uta | Denise | 2 | 1 |
| J.B. Tadena | Navy Combat Information Center Officer Lonnie Franklin | Bayani | 1 | 2 |
| Larry Bates | Malik Madson | Lucas Nance | 1 | 2 |
| Nick Gomez | Nicky Jones | Val | 1 | 2 |
| Jeremiah Birkett | Dean Neil Pattterson | Sergeant Percy Jacobs | 1 | 2 |
| Mark Espinoza | Sheriff Lester | Gen. Gene Parsons | 1 | 1 |
| Maurice Irvin | Navy Commander Daly | Jamal Perry | 1 | 1 |
| Miguel Pérez | Federal Marshal Van Driver | Dr. Sullivan | 1 | 1 |
| Parker Jay | Doctor | Dr. Watkins | 1 | 2 |
| Peter Asle Holden | Vector Control Worker | Steve | 1 | 1 |
| Stacey Hinnen | Delivery Driver | Cooper | 1 | 1 |
| Wayne Péré | Stanley Springer | Dr. O'Brien | 1 | 1 |
| Wolé Parks | Navy Captain Michael Laramie | Stefan Bol | 1 | 1 |
| Clark Moore | Virginia State Trooper Phil Collins | Colonel Kurt Decker | 1 | 2 |
| Robert Cicchini | Agent Daniel Snyder | Dr. Bernstein | 2 | 1 |
| Austin Highsmith Garces | Darlene Jones | Trish | 1 | 1 |
| Fareed Ward | JSOC Navy Lieutenant Eric Kagen | Odeev | 1 | 1 |
| Jamie Martz | Petty Officer First Class Marc Hobie | Marine Lt. | 1 | 1 |
| Joseph C. Phillips | Phillip Conway | Benjamin Reed | 1 | 1 |
| Stephen Oyoung | Navy Captain Andrew Hubbard | Operations Officer Calvin Lee | 1 | 1 |
| Wais Wardak | Farokh | Relative #1 | 1 | 1 |
| John R. Colley | Christopher Ramos | IT Tech | 1 | 2 |
| A. Leslie Kies | Donna Coyne | Marcie | 1 | 1 |
| Aidan Merwarth | Uptown | Doug | 1 | 1 |
| Gabriel Olds | Gregg Norvell | Richard Crowley | 1 | 1 |
| Hossein Mardani | Mister Rogers | Taliban Leader #2 | 1 | 1 |
| Ivar Brogger | Simon Katz | Gen. Tinsdale | 1 | 1 |
| Jon Sklaroff | Jonathan Redding | Dr. Dmitri Alexeivich Zimov | 1 | 1 |
| Joseph Kamal | Captain Kassib Yosef | Amir Haq | 1 | 1 |
| Kaipo Schwab | FBI Assistant Special Agent in Charge Liam McCullers | Dr. Eli Rush | 1 | 1 |
| Linda Park | JAG Officer Lieutenant Nora Patel | Dr. Koch | 1 | 1 |
| Marcelo Tubert | Nazar Boulos | Ibrahim | 1 | 1 |
| Matt Battaglia | P.O. Porcaro | Wilkins | 1 | 1 |
| Michael Weaver | Thomas McAllister | Col. Mike Smith | 1 | 1 |
| Paul Cassell | Bart Crowley | Rick | 1 | 1 |
| Paul Norwood | Jesse Gilyard | Bruce Lettow | 1 | 1 |
| Ramiz Monsef | Mitchell Young | Lieutenant Abu Nabi | 1 | 1 |
| Shaan Sharma | Jordanian G.I.D. Officer Rani Alfarah | Dr. Vincent "Vince" Barbour | 1 | 1 |
| Shi Ne Nielson | FBI Special Agent Daisy Milner | Ellen | 1 | 1 |
| Tim Neff | Goon 2 | Paulie | 1 | 1 |
| Zadran Wali | Imam Musa Ibn Hasan | Ibrahim Antar | 1 | 1 |
| David Bianchi | Kyle Jennings | Alpha OIC Pete | 1 | 2 |
| Branton Box | John Smith | Evans | 1 | 1 |
| David Barrera | Charlie Milla | Jeff Walker | 1 | 1 |
| David Diaan | Farid Bawali | Akhtar Zahed | 1 | 1 |
| Eric Steinberg | Marcos Siazon | Captain Urbano | 1 | 1 |
| Essam Ferris | Yann | Isaad | 1 | 1 |
| Holly Hawkins | Scholarly Woman #1 | Nurse Ruth | 1 | 1 |
| Jonathan Ohye | Nigel Yang | Bryce Nichols | 1 | 1 |
| Andrew Hwang | Nervous Asian Man | Intelligence Officer | 1 | 1 |
| Ion Overman | Jane Thomas | Dr. Finley | 1 | 1 |
| Linsay Rousseau | M.P.D. Cop #1 | Flight Attendant #1 | 1 | 1 |
| Monib Abhat | Security Guard #1 | Asadi | 1 | 1 |
| Sammy Sheik | Iraqi Militia Guard at Road Block | Pazir al-Mohammed | 1 | 1 |
| Wilmer Calderon | Wayne Cribbage A.K.A. Tiger Dad | Eric Hicks | 1 | 1 |
| Chuck Ashworth | Corvette Guy | Security Guard | 1 | 1 |
| Michael Broderick | Navy Commander James Shelty | Dad | 1 | 1 |
| Shannon Corbeil | Navy MA2 Anne Swift | Davis' Replacement | 1 | 1 |
| Ravi Naidu | Doctor | Lt. Arya | 1 | 1 |
| Ethan Flower | Fire Chief Alfonso Romero | Dan | 1 | 1 |
| Joe Pistone | Prison Guard | Romeo OIC Tathom | 1 | 1 |
| Rome Stephens Singh | Afghan MP #1 | Taliban Soldier | 1 | 1 |
| Joshua Elijah Reese | Suited Man | Sergeant John Krause | 1 | 1 |
| Roland Ruiz | Kenny | Andres | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.