All 134 actors in both NCIS and Two and a Half Men
134 actors have appeared in both NCIS and Two and a Half Men, across 770 episodes. The most-credited is Robert Wagner, Anthony DiNozzo Sr. in NCIS and Teddy in Two and a Half Men.
| Actor | In NCIS | In Two and a Half Men | Eps | Eps |
|---|---|---|---|---|
| Robert Wagner | Anthony DiNozzo Sr. | Teddy | 13 | 5 |
| Jennifer Taylor | Wendy Harris | Chelsea, Nina, Suzanne | 1 | 16 |
| Kelly Stables | Astrid Fellowes | Melissa | 1 | 10 |
| Rebecca McFarland | Det. Rapp | Leanne | 1 | 8 |
| Marco Sanchez | Alejandro Rivera | Hector | 7 | 1 |
| Rena Sofer | Margaret Allison Hart | Chrissy | 6 | 2 |
| Alicia Coppola | Faith Coleman | Dr. Michelle Talmadge, TC Randall | 3 | 2 |
| J.D. Walsh | Leonard Finnik | Gordon, Ted | 1 | 9 |
| Juliette Goglia | Evelyn Shaw | Joanie | 3 | 2 |
| Scott Bakula | Special Agent Dwayne Cassius "King" Pride | Jerry | 4 | 1 |
| Mimi Rogers | CIA Officer Joanna Teague | Robin | 3 | 6 |
| Chris O'Donnell | Special Agent "G" Callen | Bill | 3 | 1 |
| Deanna Russo | Ashley | Laurel | 1 | 3 |
| Jeri Ryan | Rebecca Chase | Sherri | 1 | 3 |
| Jon Cryer | Dr. Cyril Taft | Sid Olsen | 3 | 1 |
| Coby Ryan McLaughlin | Pete Wilkins | Jeremy | 1 | 2 |
| Steven Eckholdt | Navy Cmdr. Dr. Brad Pitt | Brad Harlow | 1 | 2 |
| Virginia Williams | Leah Ramsey | Tricia | 2 | 1 |
| Vernée Watson | Miss Helen Frimkes | Nurse, Karen | 1 | 4 |
| Abbie Cobb | Melanie Keller | Gabby | 1 | 1 |
| Amanda Schull | Kay Barlow | Alicia | 1 | 1 |
| Angela Lin | Assistant District Attorney Sheila Addison | Laura | 1 | 1 |
| Jeanette O'Connor | Teri | Debbie | 1 | 1 |
| Josie Davis | Marta | Sandy | 1 | 1 |
| Kim Oja | Karen Wilkerson | Betsy | 1 | 1 |
| Lee Garlington | Mary Hanlan | Peggy | 1 | 1 |
| Myndy Crist | Jennifer Vickers | Wendy | 1 | 1 |
| Stephanie Erb | Rachel Nasry | Mrs. Schmidt | 1 | 1 |
| Aja Evans | Taylor | Emily | 1 | 2 |
| Brian Patrick Wade | Marine Lance Corporal, Marine Private David Singer | Sam | 2 | 1 |
| Lindsay Price | Navy Lt. Pam Kim | Whitney | 2 | 1 |
| Michael Patrick McGill | Joey Kelly | Joseph, Officer Smith | 1 | 2 |
| Richard Riehle | Walt Osorio | Santa | 2 | 1 |
| Susan Blakely | Dr. Cadence Darwin | Angie | 1 | 2 |
| Amanda Detmer | Charlotte James Bodizinski | Meghan | 1 | 1 |
| Andrea Bogart | Melissa Tourney | Gretchen | 1 | 1 |
| Brendan Patrick Connor | Travis "Piggy" Phelps | Clive, Middle-Aged Guy | 1 | 2 |
| Brian George | Dr. Ameen Temani | TV Narrator | 1 | 1 |
| Brian Stepanek | Karl Chunk | Arthur | 1 | 2 |
| Brian Thomas Smith | Larry | Emmett | 1 | 1 |
| Christopher T. Wood | Congressman Peter Shaw | Arnold | 1 | 1 |
| David Starzyk | Allan J. Carter, Councilman Allan Berger | Eric | 2 | 1 |
| Daya Vaidya | Summer Diamond | Lucy | 1 | 1 |
| Edie McClurg | Ruth Potts | Helen | 1 | 1 |
| Erinn Hayes | Wendy Hill | Gretchen | 1 | 1 |
| Eve Gordon | Amanda McCormick | Brenda | 1 | 1 |
| George Wyner | Randall Worthington | Sheldon | 1 | 1 |
| Hayley Erin | Kasey Powers | Milly | 1 | 1 |
| Ion Overman | Jane Thomas | Vicki | 1 | 1 |
| Iqbal Theba | Ramesh Sengupta | Don | 1 | 1 |
| Jennifer O'Dell | Dina Rankin | Margaret | 1 | 1 |
| John O'Brien | Bruce | Waiter | 1 | 1 |
| Larry Cedar | Jason Kaplan | Announcer, Policeman #1 | 1 | 2 |
| Madison Mason | Marine Lt. Colonel Bushnell | Tommy Pearson | 1 | 1 |
| Matthew Marsden | Navy Lt. Roy Sanders | Nigel | 1 | 2 |
| Nicholas Gonzalez | David Silva | Baker | 1 | 1 |
| Ralph Cole, Jr. | Gary Clifford | Ricky | 1 | 1 |
| Richard Whiten | Police Lt. Jody Hampton | Officer Bryant, Sergeant Preston | 1 | 2 |
| Stephanie Chaves-Jacobsen | FBI Agent Leia Pendergast | Penelope | 1 | 1 |
| Steve Tom | George Ashley Green | Minister | 1 | 2 |
| Tom Virtue | Frank Satner | Freddy The Minister, Stan | 1 | 2 |
| Abigail Mavity | Jordyn Wright | Brianna | 1 | 1 |
| Amanda Walsh | Ellen Roberts | Dawn | 1 | 1 |
| Audrey Wasilewski | Shirley Wilkes | Megan | 1 | 1 |
| Bellamy Young | ATF Agent Melinda Stone | Diane | 1 | 1 |
| Bradley Snedeker | Petty Officer Carnahan | M.P. Ross | 1 | 1 |
| Brittney Powell | Jamie Carr | Clair | 1 | 1 |
| Chet Grissom | Rupert Kittridge | Man | 1 | 1 |
| Craig Gellis | Civilian Crewman #1 | Mike | 1 | 1 |
| Cristine Rose | Pat Stone | Lenore | 1 | 1 |
| Danielle Bisutti | Secret Service Special Agent Ashley Winter | Vicki | 1 | 1 |
| David Mattey | Goliath | Lou | 1 | 1 |
| Diane Delano | Dee Dee Chesney | Prison Matron | 1 | 1 |
| Elise Robertson | Alice Miller | Second Nurse | 1 | 1 |
| Elizabeth Ho | NCIS Analyst Emma Park | Jasmine | 1 | 1 |
| Emily Rose | Anna Jenlowe | Janine | 1 | 1 |
| Eric Allan Kramer | Phillip Ekkerly | Bill | 1 | 1 |
| Gwendoline Yeo | NCIS Special Agent Joanna Wright | Computer Voice | 1 | 1 |
| Jamie Hill | Chloe Chandler | Nicole | 1 | 1 |
| Jane Carr | Dr. Erica Heller | Sharon | 1 | 1 |
| Jessica Collins | Judy Ford | Gloria | 1 | 1 |
| Judith Drake | Delores | Cynthia | 1 | 1 |
| Kelly Sry | Dr. Scott Long | Henry | 1 | 1 |
| Lamont Thompson | Sommers | Bruno | 1 | 1 |
| Lilli Birdsell | Jill Reynolds | Louanne | 1 | 1 |
| Natalie Denise Sperl | Milaana Shinshani | Janie | 1 | 1 |
| Nicole J. Butler | Coordinator | Mother | 1 | 1 |
| Nicole Steinwedell | Olivia Chandler | Veronica | 1 | 1 |
| Nikita Ager | Shannon O'Hara | Stephanie | 1 | 1 |
| Sara Sanderson | Tiffany | Kendra | 1 | 1 |
| Sofia Mattsson | Jessica | Inga | 1 | 1 |
| Spencer Locke | Amber Banks | Jill | 1 | 1 |
| Steven Krueger | Andrew Townsley | Sean | 1 | 1 |
| Taylor Cole | Charlotte Cook | Melanie | 1 | 1 |
| Terry Rhoads | Stanley Borden | Dr. Andrew Sperlock | 1 | 1 |
| Thomas F. Wilson | Abgus DeMint | Mike | 1 | 1 |
| Valery Ortiz | Kerry Lyons | Tracy | 1 | 1 |
| Michael Lowry | Lt. Com. Akron, Thomas Mulligan | Wes Tosterone | 2 | 1 |
| Brooke Lyons | Tammy LaRoche | Gwen | 1 | 1 |
| Byrne Offutt | Judd Kearns | Paul | 1 | 1 |
| Christine Dunford | Jeri Fleckman | Gloria | 1 | 1 |
| Daniel Steven Gonzalez | Rico Ruiz | Paramedic | 1 | 1 |
| Dorian Brown | FBI Special Agent Courtney Krieger | Jennifer | 1 | 1 |
| Eddie Shin | CGIS Special Agent Kyle Omagi | Dr. Kim | 1 | 1 |
| Elena Lyons | Diane Fontaine | Susan | 1 | 1 |
| Jim Lau | Old Vendor | Chinese Man | 1 | 1 |
| Julie Dickens | Console Operator | Montage Beautiful Woman | 1 | 1 |
| Justin Alston | NCIS Special Agent Holgate | Employee | 1 | 1 |
| Kathryn Gordon | Young Pregnant Woman | Jess | 1 | 1 |
| Ken Lerner | Albert Hencheck | Dr. Levine | 1 | 1 |
| Kim Shaw | Former Navy Lieutenant Courtney Reed | Maria | 1 | 1 |
| Lauren Rose Lewis | FBI Assistant | Shannon | 1 | 1 |
| Meeghan Holaway | Dr. Hale | Brenda | 1 | 1 |
| Rico E. Anderson | Rick Samson | M.P. Searle | 1 | 1 |
| Sam Lerner | Nathan Tobias | Andrew | 1 | 1 |
| Treisa Gary | Hannah | Nurse Shelby | 1 | 1 |
| Barry Livingston | Bartholomew Lemming | Sam | 1 | 1 |
| Cheryl White | Rebecca Biddle | Ruth | 1 | 1 |
| Clint Culp | Roy Baxter | William | 1 | 1 |
| Frankie Jay Allison | Vince Pierman | Rodney | 1 | 1 |
| Hugh Holub | Superintendant | man | 1 | 1 |
| Jim Meskimen | Doctor Farrel Emerson | Gangster #2 | 1 | 1 |
| Loren Lester | Dr. Edgar Cromwell | Emcee | 1 | 1 |
| Nikki Leigh | Woman | Heidi | 1 | 1 |
| Brett Wagner | Grizzled Driver | Prison Cell Mate | 1 | 1 |
| Kurt Scholler | Steve Mehlman | Bailiff | 1 | 1 |
| Lyn Alicia Henderson | ER Nurse | Patricia | 1 | 1 |
| Michael Edwin | TSA Officer Perkins | Proprietor | 1 | 1 |
| Susse Budde | Laura Osgood | Willow | 1 | 1 |
| Ping Wu | Peter Liu | Coroner | 1 | 1 |
| John Burke | Doctor Chris Friedman | Detective Henry Ketchum | 1 | 1 |
| Mikki Padilla | Leanne Roberts | Bridesmaid #1 | 1 | 1 |
| Nayo Wallace | Doctor | Paulina | 1 | 1 |
| Clint Carmichael | Young Jackson Gibbs | Fred | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.