All 143 actors in both How I Met Your Mother and NCIS
143 actors have appeared in both How I Met Your Mother and NCIS, across 716 episodes. The most-credited is David Henrie, Son in How I Met Your Mother and Willy Shields in NCIS.
| Actor | In How I Met Your Mother | In NCIS | Eps | Eps |
|---|---|---|---|---|
| David Henrie | Son | Willy Shields | 47 | 1 |
| Joe Nieves | Carl | Justin Kinneman | 21 | 1 |
| Charlene Amoia | Wendy | Denise Mancuso | 17 | 1 |
| Matt L. Jones | Arthur, Pizza Guy | Probationary Agent Ned Dorneget | 2 | 6 |
| Darby Stanchfield | Marissa Heller | Shannon Gibbs | 1 | 6 |
| Virginia Williams | Claudia | Leah Ramsey | 5 | 2 |
| Ben Vereen | Sam Gibbs | Lamar Addison | 5 | 1 |
| Ray Wise | Robin Sr | Wayne Tobett | 5 | 1 |
| K Callan | Grandma Lois | Bertha Jones-Delacroix, Grace Mullen | 3 | 2 |
| Vanessa Lachey | Ashlee | NCIS Special Agent in Charge Jane Tennant | 1 | 4 |
| Carlease Burke | WPD Worker | D'Arcy McKinna | 1 | 3 |
| Don Lake | Judge Albert Donovan | Navy Captain Phillip Brooks | 1 | 3 |
| Nancy Travis | Cheryl | Navy Vice Admiral Harriet Parker | 1 | 3 |
| Cristine Rose | Virginia Mosby | Pat Stone | 6 | 1 |
| Danica McKellar | Trudy | Erin Kendall | 2 | 1 |
| Amy Gumenick | Amanda | Katrina Cooper | 1 | 1 |
| Brad Grunberg | Bruno | Big Ed | 1 | 1 |
| Brian Letscher | Angry Guy | Sam Bennett | 1 | 1 |
| Brooke Nevin | Amanda | Rachael Sparks | 1 | 1 |
| Bruce Gray | Yuthers, Senior Partner | CIA Director Roper | 3 | 1 |
| Christine Woods | Waitress | Rebecca Jennings | 1 | 1 |
| Dan Lauria | Nolan | Emergency Room Guard Morgan Cade | 1 | 1 |
| Erin Cahill | Heather | Navy Lieutenant Jessica Summers | 1 | 1 |
| Jackie Geary | Jackie | NCIS Agent Susan Grady | 1 | 3 |
| Kelly Stables | Masseuse | Astrid Fellowes | 1 | 1 |
| Krys Marshall | Bridesmaid | Suzy | 1 | 1 |
| Robert Wisdom | McCracken | Warden Gene Halsey | 1 | 1 |
| Jessica Gardner | Wife #3 | Olivia Kahn | 1 | 4 |
| Lindsay Price | Cathy | Navy Lt. Pam Kim | 1 | 2 |
| Mark Derwin | Greg | Marine Major Bradley Raines | 2 | 1 |
| Judith Drake | Bernice | Delores | 3 | 1 |
| Riley Thomas Stewart | Young Barney | Fred Miller | 3 | 1 |
| Angela Sprinkle | Madeleine | Mary | 1 | 1 |
| Beth Riesgraf | Girl | Maxine "Max" Edwards | 1 | 1 |
| Caroline Lagerfelt | Bridal Shop Lady | Mrs. Victoria Mallard | 1 | 1 |
| Danneel Ackles | Nora Zinman | Jessica Shore | 1 | 1 |
| David Grammer | Captain Dearduff | Stuart Crum | 2 | 1 |
| Deanna Russo | Brooke Bartholomay | Ashley | 1 | 1 |
| Eric Bruskotter | George | Lester | 1 | 1 |
| Floyd Van Buskirk | Cab Driver #2 | Rodney Garrison | 1 | 2 |
| John Getz | Bob Hewitt | Walter Kane | 1 | 1 |
| Kim Matula | Girl #1 | Agent Rose | 1 | 1 |
| Necar Zadegan | Girl #2 | Marine Lt. Rihama Shaheen | 1 | 1 |
| Peter Breitmayer | Minnesota State Trooper | Dwight Romano | 1 | 1 |
| Rebecca Creskoff | Geraldine | Hillary Taffet | 1 | 1 |
| Samm Levine | Phil | NCIS Agent Cashier Fred Seymour | 1 | 2 |
| Tug Coker | Bud | Assistant State's Attorney Alan Wyner | 1 | 1 |
| John Rosenfeld | Guy | FBI Agent Charles | 1 | 2 |
| Paul Schackman | Dr. Mitchell Friedman | Sullivan Brady | 2 | 1 |
| Abhi Sinha | Guy #2 | Khan | 1 | 1 |
| Brandi Burkhardt | Candice | Desk Clerk | 1 | 1 |
| Ella Thomas | Girl #1 | Heidi | 1 | 1 |
| Emily Baldoni | Claudette | Desk Clark | 1 | 1 |
| Erinn Bartlett | Mary | Madeline Torrance | 1 | 1 |
| Frank Clem | Hick | Phil Rutland | 1 | 1 |
| Frank Crim | Leonard Ross | Resident Manager | 1 | 1 |
| Jamie Kaler | Jim | Christopher Bell | 1 | 1 |
| Jane Carr | Mrs. Buckminster | Dr. Erica Heller | 1 | 1 |
| Jason Rogel | Clerk | Leo | 1 | 1 |
| Jay Acovone | Vance | Frankie Dean | 1 | 1 |
| Kevin Christy | Sven #1 | Clarence Tobett | 1 | 1 |
| Michele Boyd | Jolene | Navy Chief Petty Officer Emily Ross | 1 | 1 |
| Morgan Peter Brown | Adrian | Paul Morton / The Poet | 1 | 1 |
| Pamela Dunlap | Miss Cruickshank | Mom | 1 | 1 |
| Peter MacKenzie | Mr Horvath | Jack Murdoch | 1 | 1 |
| Reatha Grey | Old Lady | Marion | 1 | 1 |
| Rizwan Manji | Dr. Vikash | Dr. Pandy | 1 | 1 |
| Robb Derringer | Derrick | Jon Phelps | 1 | 1 |
| Sam Littlefield | Sven #2 | Oliver Sherry | 1 | 1 |
| Scott Michael Morgan | Glen | Virginia State Trooper Keyes | 1 | 1 |
| Thomas Crawford | Wedding Guest #1 | Doctor Walter Magnus | 1 | 1 |
| Van Epperson | Shop Owner | Pop | 1 | 1 |
| Wayne Lopez | Referee | Prison Sergeant Desmond Walters | 1 | 1 |
| Aaron Hill | The Frozen Snowshoe | Navy Seal Lieutenant William Blake | 1 | 1 |
| Adam Kulbersh | Kendall | Alan Katzenbach | 1 | 1 |
| Amir Talai | Richard Greenleaf | Simi | 1 | 1 |
| Austin Majors | 12-Year-Old Matthew | Jeremy Hodges | 1 | 1 |
| Bonnie Bailey-Reed | Flo | Flo | 1 | 1 |
| Caroline Whitney Smith | Brenda | Molly | 1 | 1 |
| Christopher Darga | Bus Driver | Skip Harris | 1 | 1 |
| Courtney Ford | Vicky | Navy Petty Officer 2nd Class Kaylen Burrows | 1 | 1 |
| David Mattey | Animal Trainer | Goliath | 1 | 1 |
| Emily Chang | Steph | Phyllis Moss | 1 | 1 |
| Eric Allan Kramer | Rorschach | Phillip Ekkerly | 1 | 1 |
| Greg Collins | Matt Zinman | Police Officer Metro PD | 1 | 1 |
| John Sloan | Michael Girard | Luke Pischedda | 1 | 1 |
| Katherine Von Till | Darcy | Pamela Juventas | 1 | 1 |
| Larry Poindexter | Joe Donovan | Dr. Berman | 1 | 1 |
| Marianne Muellerleile | Meredith | Nurse Hannah Dunstan | 1 | 1 |
| Tanisha Lynn | Esme | Laura Roberts | 1 | 1 |
| Tara Holt | Chanel | Sheba Nicholas | 1 | 1 |
| Terryn Westbrook | Staci Rawnsley | County Deputy Regina Unger | 1 | 1 |
| Rob Gleeson | Waiter | Nicholas Raymond Dunne | 2 | 1 |
| Anisha Adusumilli | Other Agent | Veeda Rajab | 1 | 1 |
| Anthony Palermo | Cool Customs Officer | Nicholas “Nick” Bodeen A.K.A. Navy Commander | 1 | 1 |
| Ben Tolpin | Mark | Navy Petty Officer Jerry Neisler | 1 | 1 |
| Chantelle Barry | Woman #2 | Patrice Jansen | 1 | 1 |
| Frank Alvarez | Steve | Rico | 1 | 1 |
| Gary Kraus | Wedding Videographer | Chuck Parnell | 1 | 1 |
| Jared Gertner | Irving | Royman Beesbo | 1 | 1 |
| Jeremy Glazer | Bruce | Douglas Pritchard | 1 | 1 |
| Joanna Leeds | Jane | Molly Guinn | 1 | 1 |
| Joe O'Connor | Cassie's Dad | Pat Gillespie | 1 | 1 |
| Katie A. Keane | Stripper | Laurie Niles | 1 | 1 |
| Lauren Shiohama | Marissa | Taylor | 1 | 1 |
| Maite Schwartz | Holly | French Inspector Isabelle Chablis | 1 | 1 |
| Matt Lasky | Butterfly Knife | Robert Hill | 1 | 1 |
| Michael Hagiwara | Mr. Li | Scholarly Man #1 | 1 | 1 |
| Nick Jaine | Sudeep | Jason Patel | 1 | 1 |
| Nick Toren | Tourist | Dwight's Father | 1 | 1 |
| Rhomeyn Johnson | Cab Driver | Trucker Al | 1 | 1 |
| Rob Evors | Bradley | Navy Hull Technician Chief David Harketti | 1 | 1 |
| Sharon Brathwaite | Clerk | Lisa Marsden | 1 | 1 |
| Tom Virtue | Minister | Frank Satner | 1 | 1 |
| Corie Vickers | Cousin Margaret | NCIS Special Agent Lynn Davis | 1 | 1 |
| Dean Chekvala | Hippie Dude | Frank Holtz | 1 | 1 |
| Hong Chau | Cook Pu | FBI Lab Tech Molly Choi | 1 | 1 |
| John Bobek | Clerk | Sergeant Barnes | 1 | 1 |
| John Henry Canavan | Trucker Hat Guy #2 | Jake Munro | 1 | 1 |
| Justin Alston | Cool Black Man | NCIS Special Agent Holgate | 1 | 1 |
| Karissa Vacker | Holly | Louisa Banner | 1 | 1 |
| Kyla-Drew Simmons | Shondra | Greta Staley | 2 | 1 |
| Michael Edwin | Eddie | TSA Officer Perkins | 1 | 1 |
| Mieko Hillman | Stephanie | Jennifer Murphy | 1 | 1 |
| Saba Homayoon | Yasmin | Faatin Amal | 1 | 1 |
| Aaron Hendry | Juice Bar Guy | Bob Mugford | 1 | 1 |
| Adam Tsekhman | parent #1 | Egyptian G.I.D. Officer Omar Hassan | 1 | 1 |
| Andy Hoff | Guy #2 | Jennings' Co-Worker | 1 | 1 |
| Brian David Jones | Co-worker #2 | Uniformed Guard | 1 | 1 |
| Jarrod Crawford | Guy | Marine M.P. Sgt. Brooks | 1 | 1 |
| Kim Shaw | Julie | Former Navy Lieutenant Courtney Reed | 1 | 1 |
| Michael Rupnow | Scott | Parker James | 1 | 1 |
| Ping Wu | Old Man | Peter Liu | 1 | 1 |
| Sarah Edwards | Suzy | Nurse Samantha | 1 | 1 |
| Amaris Davidson | Julie | Olivia | 1 | 1 |
| James Ryen | Co-worker #3 | Seaman | 1 | 1 |
| Jim Lau | Chinese Man | Old Vendor | 1 | 1 |
| Mary Gallagher | Female Gate Agent | Betty Baxter | 1 | 1 |
| Sarah Campbell | Esmerelda | College-Aged Girl | 1 | 1 |
| Steve Tom | Kelly's father | George Ashley Green | 1 | 1 |
| Tom Ayers | Walter | Bobby Dale Douglas | 1 | 1 |
| Richard Wharton | Art Professor | Squeegee Man | 1 | 1 |
| Kim Estes | Judge #1 | Minister | 1 | 1 |
← How I Met Your Mother × NCIS
Cast data from TVmaze, licensed CC BY-SA 4.0.