All 110 actors in both Frasier and NCIS
110 actors have appeared in both Frasier and NCIS, across 772 episodes. The most-credited is Brooks Almy, Mrs. Richman, Mother in Elevator in Frasier and Mrs. McDonald in NCIS.
| Actor | In Frasier | In NCIS | Eps | Eps |
|---|---|---|---|---|
| Brooks Almy | Mrs. Richman, Mother in Elevator | Mrs. McDonald | 5 | 1 |
| Mercedes Ruehl | Kate Costas | Marie Quinn | 5 | 1 |
| Francis X. McCarthy | Seve Kendall | Roman Parker | 1 | 4 |
| JoBeth Williams | Madeline, Danielle | Leona Phelps | 3 | 1 |
| John Finn | Tim | Marine Commandant Charles T. Ellison | 1 | 3 |
| Bess Armstrong | Kelly Kirkland | U.S. Senator Denise O’Hara | 2 | 1 |
| Catherine Dent | Claudia Kynock | Former NCIS Special Agent Whitney Sharp | 1 | 2 |
| Jack Axelrod | Old Frasier | Shmeil Pinkhas | 1 | 2 |
| James Morrison | Brian | CIA Assistant Director Jonathan Overmeier, U.S. Senator John Phillips | 1 | 2 |
| Michael Whaley | Pete | Detective J.D. Morris | 2 | 1 |
| Morocco Omari | Tow Truck Driver | NCIS Special Agent Thomas Survoy | 1 | 2 |
| René Auberjonois | Professor William Tewksbury | Dr. Felix Blackwell | 2 | 1 |
| Valarie Pettiford | P.R. Women | Sonia Eberhart | 1 | 2 |
| Annie Wersching | Esthetician | Deputy DA Gail Walsh | 1 | 1 |
| John Rubinstein | Philip Hayson | Bob | 1 | 1 |
| Jonathan Adams | Fire Marshall | Thomas Zuri | 1 | 1 |
| Keith Carradine | Carl | Manheim Gold | 1 | 1 |
| Lily Tomlin | Rita | Penelope Langston | 1 | 1 |
| Michael McShane | Frank | Dr. Matthew Heller | 1 | 1 |
| Natalija Nogulich | Susan Kendall | Judge Maddox | 1 | 1 |
| Tony Pasqualini | Motorist #2 | Man | 1 | 1 |
| J. Paul Boehmer | Neil | Army CID Director Wayne Rogers | 1 | 2 |
| Lindsay Price | Sharon | Navy Lt. Pam Kim | 1 | 2 |
| Matthew Yang King | Thad | Michael Chang, Min Ho Kwon | 1 | 2 |
| Penny Johnson Jerald | Carol | Joanne Torrence | 1 | 2 |
| Teri Polo | Abby Michaels | Vivian Kolchak | 1 | 2 |
| Todd Louiso | Jonathan | Lyle Waznicki | 1 | 2 |
| Anthony Heald | Corkmaster | Guyman Purcell | 1 | 1 |
| Benjamin Brown | Stage Manager | Marine Capt. Arvidas | 1 | 1 |
| Dennis Cockrum | Red | NSA Tech, Senator | 1 | 2 |
| John Vickery | Petyr | Interpol Inspector Hugh Benson | 1 | 1 |
| Kevin Kilner | Steve Garrett | Patrick Norian | 1 | 1 |
| Kim Oja | Felicity | Karen Wilkerson | 1 | 1 |
| Lamont Thompson | Delivery Man | Sommers | 1 | 1 |
| Lombardo Boyar | Delivery Man | Felix Quintero | 1 | 1 |
| Lorraine Toussaint | Nurse | Deputy Director Donna Wolfson | 1 | 1 |
| Marsha Kramer | Tooty | Old Woman | 2 | 1 |
| Michael Des Barres | Georges | Del Finney | 1 | 1 |
| Michael Welch | Young Niles | Kody Meyers | 1 | 1 |
| Mike Starr | Billy Kriezel | Monroe Cooper | 1 | 1 |
| Musetta Vander | Natalie Blanc | Julie Merriweather | 1 | 1 |
| Pamela Dunlap | Shirley | Mom | 1 | 1 |
| Scott Atkinson | Clive | Lt. Cmdr. Kyle Ross | 1 | 1 |
| Scott Michael Campbell | Mr. Rugley | Robert Miller | 1 | 1 |
| William Morgan Sheppard | Mr. Drake | Marcin Jerek | 1 | 1 |
| Anthony Montgomery | Waiter | Marine Corporal George Linden | 2 | 1 |
| Philip Casnoff | Dr. Bernard Gadston | Sean Latham | 1 | 2 |
| Aloma Wright | Maria | Nurse Ethel Washingtown | 1 | 1 |
| Alyson Reed | Cindy Carruthers | Monica Keogh | 1 | 1 |
| Bellamy Young | Lisa | ATF Agent Melinda Stone | 1 | 1 |
| Blake Lindsley | Becky | Belinda Carter | 1 | 1 |
| Brian Cousins | Gunnar | Jacob Torrance | 1 | 1 |
| David Burke | Sean | George Ingram | 1 | 1 |
| Dendrie Taylor | Paris | Janet LaCombe | 1 | 1 |
| Don McManus | Donald | Mark Stafford | 1 | 1 |
| Gabrielle Miller | Willa Haver | Andrea Mavrey | 1 | 1 |
| Googy Gress | Ned | Bartender | 1 | 1 |
| John Kapelos | Policeman | Vice Principal Vic Castor | 1 | 1 |
| John Wesley | Jerry | Chaplain Samuel Kemp | 1 | 1 |
| Kathe Mazur | Beverly | Vice Admiral Dawn Tyson | 1 | 1 |
| Katherine Disque | Chelsea | Mary Barrett | 1 | 1 |
| Kirsten Nelson | Ellie | Beth Banks | 1 | 1 |
| Linda Gehringer | Sarah | Michelle Stark | 1 | 1 |
| Marcelo Tubert | Jorge | Nazar Boulos | 1 | 1 |
| Miguel Pérez | Carlos Del Gato | Federal Marshal Van Driver | 1 | 1 |
| Paul Schulze | Alex | Marine Major Ken Meyers | 1 | 1 |
| Peggy Stewart | Mrs. McCloud | Elderly Lady | 1 | 1 |
| Peter Asle Holden | Steven | Vector Control Worker | 1 | 1 |
| Robert Picardo | Charlie Koechner | Retired Marine Gunnery Sergeant Dale Harding | 1 | 1 |
| Scott MacDonald | Henry | Militia Leader | 1 | 1 |
| Shannon Cochran | Bank Manager | Mallory Linn | 1 | 1 |
| Ted King | Craig | Colonel Fowler | 1 | 1 |
| Armando Molina | Mario | Miguel Fernandez | 1 | 1 |
| Cameron Watson | Data Collector | Randy | 1 | 1 |
| Caroline Lagerfelt | Glinka | Mrs. Victoria Mallard | 1 | 1 |
| Devika Parikh | Emcee | Doctor Saanvi Singh | 1 | 1 |
| Edward Edwards | Richard | Congressman | 1 | 1 |
| Elizabeth Liang | Customer | NCIS REACT Agent Jones | 1 | 2 |
| Gerald Downey | Doctor | Navy Cmdr. Ray Trapp | 1 | 1 |
| Grace Rowe | Stage Manager | NCIS Special Agent Donna Andrews | 1 | 1 |
| Holmes Osborne | Principal | Fred Hanlan | 1 | 1 |
| Kelvin Yu | Copy Guy | Sebastian Kim | 1 | 1 |
| Larry Cedar | Bunny #1 | Jason Kaplan | 1 | 1 |
| Lisa Banes | Pamela | Ambassador Olivia Edmunds | 1 | 1 |
| Marc Vann | Paul | Mark Sadowski | 1 | 1 |
| Michael A. Shepperd | Merrill George | Mailman, NCIS Custodian Louis | 1 | 2 |
| Michael Canavan | Reggie | Retired Navy Admiral Thomas Garscott | 1 | 1 |
| Richard Gleason | Hans | Navy Reservist Dr. Robert Banks | 1 | 1 |
| Troy Blendell | Curtis | Bernard Wilson | 1 | 1 |
| Beverly Leech | Jennifer | Vice Admiral Janet Kleibor | 1 | 1 |
| Christine Dunford | Nancy | Jeri Fleckman | 1 | 1 |
| Jon Curry | Mike | Deputy Tyler Barrett | 1 | 1 |
| Jonathan Fraser | Man at Party | Secret Service Officer Jack Lyon | 1 | 1 |
| Loren Lazerine | Fan | Building Manager | 1 | 1 |
| Mim Drew | Mimsy | Marie | 1 | 1 |
| Rocky McMurray | Shangri-lino | Howard County P.D. Officer Ray Mitchell | 1 | 1 |
| Alex Morris | Officer | Former NCIS Special Agent Kurt Nelson | 1 | 1 |
| Byrne Offutt | Joe | Judd Kearns | 1 | 1 |
| Derek Anthony | Paul | NCIS Maintenance Worker Lennox Kincaid | 1 | 1 |
| Donald Sage MacKay | Eduardo | Navy Commander Kerry Killmartin | 1 | 1 |
| Ellen Ratner | Dress Date | Department of Army Security Guard May Stern | 1 | 1 |
| Grinnell Morris | Man in Café | FBI Agent Carlson | 1 | 1 |
| John Prosky | Preston | Carl Dalton | 1 | 1 |
| Keith Sellon-Wright | Mitch | Admiral Xavier Meade | 1 | 1 |
| Michael Weston | Ice Sculptor | Herman Maxwell | 1 | 1 |
| Regi Davis | Hotel Manager | Commander David Smith | 1 | 1 |
| Scott Lowell | Chuck | Terry Thomas | 1 | 1 |
| Karl T. Wright | Producer | John Hicks | 1 | 1 |
| Craig Nigh | Graham | Melvin | 1 | 1 |
| Kendall Clement | Plumber | Foreman | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.