All 113 actors in both Friends and NCIS
113 actors have appeared in both Friends and NCIS, across 744 episodes. The most-credited is Rena Sofer, Katie in Friends and Margaret Allison Hart in NCIS.
| Actor | In Friends | In NCIS | Eps | Eps |
|---|---|---|---|---|
| Rena Sofer | Katie | Margaret Allison Hart | 1 | 6 |
| Dina Meyer | Kate Miller | Holly Snow | 3 | 2 |
| Sam McMurray | Doug | Harold Lamb, John Westfal | 3 | 2 |
| George Newbern | Danny | Arthur Haskell | 3 | 1 |
| Joel Gretsch | Fireman Ed | NCIS Special Agent Stan Burley | 1 | 3 |
| Marisol Nichols | Olivia | ATF Special Agent Zoe Keates | 1 | 3 |
| Sasha Alexander | The Interviewer | Special Agent Caitlin "Kate" Todd | 1 | 3 |
| T.J. Thyne | Dr. Oberman | Fletcher Voss, Carl | 1 | 3 |
| Victoria Kelleher | Woman #2 | NCIS Accountant Barbara Dunsley | 1 | 3 |
| Steven Eckholdt | Mark Robinson | Navy Cmdr. Dr. Brad Pitt | 6 | 1 |
| Alexandra Holden | Elizabeth Stevens | Brooke Fenten | 5 | 1 |
| Roark Critchlow | Dr. Mike Horton | Wayne Grossman | 2 | 1 |
| Gregory Itzin | Mr. Hannigan | FBI Director, Spencer Downing | 2 | 3 |
| John Allen Nelson | Paul the Wine Guy | JSOC Vice Admiral Lloyd Manditsky | 1 | 1 |
| Lise Simms | Kara | Kenna Reynolds | 1 | 1 |
| Tim DeKay | Marc | Senator Patrick Kiley | 1 | 1 |
| Carlos Gómez | Julio | Admiral Carlos Mendoza, Reyes | 1 | 2 |
| Jean St. James | Hilda | Marilyn Davis | 1 | 2 |
| Matthew Yang King | The Student | Michael Chang, Min Ho Kwon | 1 | 2 |
| Michael Ensign | Dr. Ledbetter | Doctor Ishmael Havana | 2 | 1 |
| Rick Pasqualone | The Croupier | Corporal Paul Dafelmair | 2 | 1 |
| Aloma Wright | The Saleswoman | Nurse Ethel Washingtown | 1 | 1 |
| Chris Payne Gilbert | Bill | Wesley Rowan | 1 | 1 |
| Cristine Rose | Bitsy Hannigan | Pat Stone | 2 | 1 |
| Geoff Pierson | Mr. Franklin | Roy Carver | 1 | 1 |
| Jamie Kaler | Mike | Christopher Bell | 1 | 1 |
| Jason Brooks | Rick | Marine Major Danny O'Donnell | 1 | 1 |
| Jennifer Rhodes | Mrs. Lynch | Claudia | 1 | 1 |
| Jim Rash | Nervous Male Passenger | Dr. Joel Sanderson | 1 | 1 |
| John Kassir | Stanley | Perry Swann | 1 | 1 |
| Lee Garlington | Ronni | Mary Hanlan | 1 | 1 |
| Michael Monks | Dr. Hiller | Edgar, Matt Lane | 1 | 2 |
| Oliver Muirhead | The Jeweler | Jay Danorth | 1 | 1 |
| Sam Anderson | Dr. Harad | Walter Carmichael | 1 | 1 |
| Sofia Milos | Aurora | Bethany Lipton | 1 | 1 |
| Tembi Locke | Karin | Alice Kent Staley | 1 | 1 |
| Josh Coxx | Eldad | FLETC Instructor Hal Sterling, Navy Captain Paul Smith | 1 | 2 |
| Brittney Powell | Jade | Jamie Carr | 1 | 1 |
| Cleo King | Nurse Kitty | Della Robinson | 1 | 1 |
| Daniel Hagen | The Casting Director | Calvin Hopper | 1 | 1 |
| Gina Hecht | Richard's Date | Christine Newhall | 1 | 1 |
| Harry Van Gorkum | Don | Alton Brinkman | 1 | 1 |
| Iris Bahr | Glenda | Beverly Berkshire | 1 | 1 |
| Jane Carr | The Ticket Agent | Dr. Erica Heller | 1 | 1 |
| Jay Acovone | Fireman Charlie | Frankie Dean | 1 | 1 |
| Johnny Sneed | Customer #3 | CIA Agent Kramer | 1 | 1 |
| Judy Kain | The Casting Director | Gladys Stone | 1 | 1 |
| Kristen Ariza | The Receptionist | CIA Operations Officer Loretta Tennison | 1 | 1 |
| Larry Joe Campbell | The Fan | Congressman James Wallace | 1 | 1 |
| Mark Fite | The Salesman | Walter Miller | 1 | 1 |
| Markus Flanagan | Robert | Navy Commander Mike Taffet | 1 | 1 |
| Mary Pat Gleason | Nurse Sizemore | Nurse Wells | 1 | 1 |
| Matt Winston | The Charity Clerk | Rick Carvell | 1 | 1 |
| Michelle Anne Johnson | The Casting Director | DOD Counterintelligence Supervisor Emma Fisher | 1 | 1 |
| Molly Hagan | Sarah | Audrey Vetter | 1 | 1 |
| Patrick Fabian | Nurse Dan | Ray Vincent | 1 | 1 |
| Phil Abrams | The Anxious Wedding Guest | Hotel Manager | 1 | 1 |
| Robert Gant | Jason | Mike Dunke | 1 | 1 |
| Ilia Volok | The Dry Cleaner | Burly Man, Kostya Valkov | 1 | 2 |
| Adria Tennor | Katherine | Angela Dresser | 1 | 1 |
| Aixa Clemente | The Female Guest | Nancy | 1 | 1 |
| Andrew Bilgore | Wayne | Franklin Morrison | 1 | 1 |
| Bill Stevenson | Rick | Hector | 1 | 1 |
| Christopher Darga | The Director | Skip Harris | 1 | 1 |
| Geoffrey Lower | Alan | Navy Cmdr. Robert Morris | 1 | 1 |
| Jason Kravits | Man in Cab | Doctor Gordon Roth | 1 | 1 |
| John Eric Bentley | Waiter #2 | Captain Arthur Caldwell | 1 | 1 |
| John Rubinstein | The Doctor | Bob | 1 | 1 |
| Ken Lerner | Professor Spafford | Albert Hencheck | 1 | 1 |
| Larry Poindexter | Fireman Dave | Dr. Berman | 1 | 1 |
| Lori Alan | Sonya | Warden Diana Tully | 1 | 1 |
| Lyn Alicia Henderson | The Ticket Agent | ER Nurse | 1 | 1 |
| Matthew Ashford | Matthew Ashford | Rick Martel | 1 | 1 |
| Megan Ward | Nancy | Laura Rowens | 1 | 1 |
| Ming Lo | Dr. Li | Davey Chen | 1 | 1 |
| Nikita Ager | Hayley's Roommate | Shannon O'Hara | 1 | 1 |
| Obba Babatundé | The Director | Joe Banks | 1 | 1 |
| Patrick Bristow | The Stage Manager | Channing Elroy | 1 | 1 |
| Robert Costanzo | Joey Tribbiani Sr. | Jimmy Napalitano | 1 | 1 |
| Terry Rhoads | The Maitre'd | Stanley Borden | 1 | 1 |
| Victor Raider-Wexler | Doctor | Patrick Carmody | 1 | 1 |
| Wayne Péré | Max | Stanley Springer | 1 | 1 |
| Andy Umberger | Dr. Connelly | FBI Agent Freedman | 1 | 1 |
| Audrey Wasilewski | Sarah | Shirley Wilkes | 1 | 1 |
| Carlos Lacamara | The A.D. | Joe Tabaraz | 1 | 1 |
| Carole Gutierrez | Nurse | Woman | 1 | 1 |
| Daniel E. Smith | Boy in the Cape | Cal Frazier | 1 | 1 |
| Jim Meskimen | Bill | Doctor Farrel Emerson | 1 | 1 |
| JoNell Kennedy | Nurse #1 | Navy Commander Lisa Cleveland | 1 | 1 |
| Matt Battaglia | Vince | P.O. Porcaro | 1 | 1 |
| Matt Kaminsky | Tony | Henry Spivey | 1 | 1 |
| Peter James Smith | Assistant Director | Benjamin Harmey | 1 | 1 |
| Ryan Carlberg | Pizza Delivery Boy | Navy Petty Officer First Class John Goode | 1 | 1 |
| Scott Mosenson | The Teacher | Harry Day | 1 | 1 |
| Shirley Jordan | The Doctor | Mary Tyler | 1 | 1 |
| Alex Ball | The Ralph Lauren Employee | Navy Senior Chief Richard Granger | 1 | 1 |
| Helen Eigenberg | The Realtor | Lt. Cmdr. Amanda Wilkerson | 1 | 1 |
| Iqbal Theba | Joey's Doctor | Ramesh Sengupta | 1 | 1 |
| Joe O'Connor | Stevens | Pat Gillespie | 1 | 1 |
| John O'Brien | The Airline Employee | Bruce | 1 | 1 |
| Mary Gallagher | Tilly | Betty Baxter | 1 | 1 |
| Richard Fancy | Mr. Posner | Leonard Weiss | 1 | 1 |
| Robin McDonald | Ticket Counter Attendant | Loni Braddish | 1 | 1 |
| Rocky McMurray | The Cigarette Guy | Howard County P.D. Officer Ray Mitchell | 1 | 1 |
| Dan Desmond | Professor Sherman | Grumpy Neighbor | 1 | 1 |
| Jimmy Palumbo | Sick Bastard | Stage manager | 1 | 1 |
| Mary-Margaret Lewis | Rita | Maude Simmons | 1 | 1 |
| Sandra Thigpen | The Stage Manager | Nurse Annie Hayes | 1 | 1 |
| Teck Holmes | Jordan | Jamel Jones | 1 | 1 |
| Chip Chinery | Another Scientist | NCIS Employee Rodney Spence | 1 | 1 |
| D. Elliot Woods | Walter | Detective Bradley | 1 | 1 |
| Greta Sesheta | Receptionist | Receptionist | 1 | 1 |
| Mailon Rivera | The Waiter | Navy Commander Scott Bitterman | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.