All 185 actors in both NCIS and Private Practice
185 actors have appeared in both NCIS and Private Practice, across 619 episodes. The most-credited is Scott Alan Smith, Det. Mauceri in NCIS and Therapist in Private Practice.
| Actor | In NCIS | In Private Practice | Eps | Eps |
|---|---|---|---|---|
| Scott Alan Smith | Det. Mauceri | Therapist | 1 | 21 |
| Michael Patrick Thornton | Jeremy Brighton | Dr. Gabriel Fife | 1 | 14 |
| Connie Jackson | Elaine | Counselor | 11 | 1 |
| James Morrison | CIA Assistant Director Jonathan Overmeier, U.S. Senator John Phillips | William White | 2 | 8 |
| Darby Stanchfield | Shannon Gibbs | Tess Milford | 6 | 1 |
| JoBeth Williams | Leona Phelps | Bizzy Forbes | 1 | 6 |
| Leslie Hope | SecNav Sarah Porter | Linda | 6 | 1 |
| Aloma Wright | Nurse Ethel Washingtown | Mildred Clemons | 1 | 5 |
| Blue Deckert | Federal Marshal | Detective Joe Price | 1 | 5 |
| Jayne Brook | Lyndi Crawshaw | Dr. Meg Porter | 1 | 5 |
| Carter MacIntyre | Benjamin "Benny" Sitano, Junior | Nick Calhoun | 1 | 3 |
| Juliette Goglia | Evelyn Shaw | Sarah Pierce | 3 | 1 |
| Marisol Nichols | ATF Special Agent Zoe Keates | Lily Reilly | 3 | 1 |
| Susan Kelechi Watson | NCIS Intel Analyst Nikki Jardine | Beth O'Brien | 3 | 1 |
| Wes Brown | Marine First Lieutenant Jeremy Nolan | Ryan Kerrigan | 1 | 3 |
| Alex Kingston | Miranda Pennebaker | Dr. Marla Thomkins | 1 | 2 |
| Amanda Detmer | Charlotte James Bodizinski | Morgan Gellman | 1 | 5 |
| Jack Axelrod | Shmeil Pinkhas | Oscar Schmitt | 2 | 1 |
| Linara Washington | Lara Morgan | Tracy Woods | 2 | 1 |
| Michael B. Silver | Nicholas Sandlock | David Gibbs | 1 | 2 |
| Robert Pine | Congressman Theodore Randolph, Golfer Ben | Jim Wallace | 2 | 1 |
| Christina Chang | NCIS Special Agent Valeri Page | Vanessa Hoyt | 1 | 4 |
| Corey Reynolds | Navy Lieutenant Commander Aaban El-Sayad | Ray Paget | 1 | 1 |
| David Burke | George Ingram | Gary Spencer | 1 | 1 |
| Erin Way | Dr. Samantha Linden | Jenna | 1 | 1 |
| George Newbern | Arthur Haskell | Dr. Brian Reynolds | 1 | 1 |
| Josh Randall | Navy Commander Ryan Barnes | Carl | 1 | 1 |
| Leonard Roberts | P.O. Howard Carter | Ryan | 1 | 1 |
| Patrick Fabian | Ray Vincent | Robert Weston | 1 | 1 |
| T.J. Ramini | Mossad Officer Malachi Ben-Gidon | Doug Iverson | 3 | 1 |
| Zoe Perry | Harper's Ferry Police Officer Kristin Fields | Lisa | 1 | 1 |
| Betsy Brandt | P.O. Barbara Swain | Joanna Gibbs | 1 | 2 |
| Billy Dee Williams | Leroy Jethro Moore | Henry | 2 | 1 |
| Brett Cullen | Navy Capt. Todd Gelfand | Allan | 2 | 1 |
| French Stewart | Paul Triff | Kevin Mason | 2 | 1 |
| Lauren Bowles | Mary Wiles, Nance Freeman | Cyndy Roberts | 2 | 1 |
| Melinda Page Hamilton | Kathy Sheldon, Vanessa Tillman | Donna Keating | 2 | 1 |
| Myk Watford | Army Major Eric Sweigart | Billy Douglas | 1 | 2 |
| Noah Bean | DOD Chief David Barbado | Shawn | 2 | 1 |
| Michael Reilly Burke | Frank Connell | Simon McConnell | 1 | 3 |
| Kate Lacey | Navy Ensign Christina Solomon | Nurse | 1 | 4 |
| Alexandra Holden | Brooke Fenten | Laura Larson | 1 | 1 |
| Amy Landecker | Dr. Ellen Gracey | Melissa | 1 | 1 |
| Andy Milder | Gene Isaacson | Doug Adams | 1 | 2 |
| Ashley Jones | Nancy Douglas | Dani | 1 | 1 |
| Brianna Brown | Melinda Martin | Sam's Date | 1 | 1 |
| Chris Butler | Clarence | Chris | 1 | 1 |
| Chris L. McKenna | Eric Webb | Colin Bowman | 1 | 1 |
| Christopher Cousins | Jordan Jones | Eli Wilson | 1 | 1 |
| Christopher Wiehl | Ramsay Witman A.K.A. John Joseph Manning | Jeffrey | 1 | 2 |
| David Eigenberg | Ted Bankston | Frank | 1 | 1 |
| Jeffrey Pierce | Marine Sgt. Michael McMannis | Ray Daniels | 1 | 1 |
| Jessica Tuck | Gloria Caplinger | Rosie Graham | 1 | 1 |
| Joe Nieves | Justin Kinneman | Greg | 1 | 1 |
| John Getz | Walter Kane | Mr. Kent | 1 | 1 |
| Jossie Thacker | Nurse Wanda Dupree | Anesthesiologist | 1 | 2 |
| Kelly Smith | Emily Miller | Clare | 1 | 1 |
| Kenneth Mitchell | Nathan Curtis | Elliott | 1 | 1 |
| Lee Garlington | Mary Hanlan | Stella Peterson | 1 | 1 |
| Meredith Monroe | April Ferris | Leah Hudley | 1 | 1 |
| Perrey Reeves | Wendy Miller | Kelly | 1 | 1 |
| Scott Michael Campbell | Robert Miller | Gregory Milford | 1 | 1 |
| Tim Guinee | Bart Lemming | Seth | 1 | 1 |
| DaJuan Johnson | NIS Special Agent Edward Scott | Martin "Marty" Salter | 1 | 2 |
| Geoffrey Arend | Tommy Manning | Jimmy | 2 | 1 |
| Brennan Elliott | Martin Stillwell | Jake | 1 | 1 |
| Brian George | Dr. Ameen Temani | Dr. Whitehouse | 1 | 1 |
| Cristine Rose | Pat Stone | Mrs. Freedman | 1 | 1 |
| Dahlia Salem | Maria De La Rosa | Gloria Murphy | 1 | 1 |
| Danielle Bisutti | Secret Service Special Agent Ashley Winter | Lynn | 1 | 1 |
| Emily Rose | Anna Jenlowe | Elisha | 1 | 1 |
| Erik Palladino | Marine Staff Sergeant Daniel Cryer | Mitch Thompson | 1 | 1 |
| Eyal Podell | Namir Eschel | Zach | 1 | 1 |
| Jeff Hephner | Navy Commander Peter "Banshee" Sheridan | Jerry | 1 | 1 |
| Jillian Bach | Emily Moss | Debra Diamanti | 1 | 1 |
| Jocko Sims | Michael Thomas | Adam | 1 | 1 |
| John Lacy | Park Ranger Kett | Jim Davies | 1 | 1 |
| John M. Jackson | Rear Admiral A.J. Chegwidden | Carl Davis | 1 | 1 |
| Kari Coleman | Maggie Scott | Laura Wallace | 1 | 1 |
| Kathe Mazur | Vice Admiral Dawn Tyson | Terri Bishop | 1 | 1 |
| Larry Sullivan | Flight Surgeon | Bob Schwartz | 1 | 1 |
| Lisa Sheridan | Krista Dalton | Angela Windsor | 1 | 1 |
| Rebecca Lowman | Navy Lieutenant Lisa Mason | Nicole Tisch | 1 | 1 |
| Stacy Edwards | Commander Janice Byers | Maria Wilson | 1 | 1 |
| Tom Bower | Sheriff Miller Thompson | Dennis Hoffman | 1 | 1 |
| Bruce Nozick | Harvey Grossman, Lacy | Bill Henderson | 2 | 1 |
| Clare Carey | Ann Gibbs | Pam Tanner | 2 | 1 |
| Amy Stewart | Katie Happ | Beth Burton | 1 | 1 |
| Austin Highsmith Garces | Darlene Jones | Nina | 1 | 1 |
| Cheryl White | Rebecca Biddle | Robin Miller | 1 | 1 |
| Cory Tucker | Brendan | Paramedic | 1 | 2 |
| Diane Venora | Shada Shakarki | Sharon | 1 | 1 |
| Don McManus | Mark Stafford | Bruce Tanner | 1 | 1 |
| Edwin Hodge | Bodie | Aaron | 1 | 1 |
| Erica Luttrell | Allison Asher | Sasha | 1 | 1 |
| Gabriel Olds | Gregg Norvell | Gary Woodward | 1 | 1 |
| Geoffrey Blake | Marc Attencio | Jack Grossman | 1 | 1 |
| Geoffrey Rivas | Ricardo Guzman | Diego | 1 | 1 |
| Jama Williamson | Angelina Jennings | Darlene Meyer | 1 | 1 |
| Jennifer Hall | Daphne Everett | Renee | 1 | 1 |
| Jonathan Goldstein | Glenn Block | Rabbi | 1 | 1 |
| Kim Estes | Minister | Mediator | 1 | 1 |
| Madeline Carroll | Angela Kelp | Maggie Roberts | 1 | 1 |
| Marcella Lentz-Pope | Amy Bright | Lucy Henderson | 1 | 1 |
| Mark Espinoza | Sheriff Lester | Richard Huvane | 1 | 1 |
| Missy Yager | Michelle Davison | Megan Stewart | 1 | 2 |
| Obba Babatundé | Joe Banks | Dr. Larry Cannon | 1 | 1 |
| Patricia Lentz | Ginny Daniels | Judge | 1 | 1 |
| Sean O'Bryan | David Shields | David Walker | 1 | 1 |
| Shane Johnson | CIA Agent Stephen Wheeler | Dave Walker | 1 | 1 |
| Tom Virtue | Frank Satner | Dr. Warren | 1 | 1 |
| Billy Malone | NCIS Mechanic Dominic | Hendricks | 1 | 2 |
| Andrew Borba | Doctor Phillip Heller | Will Martin | 1 | 1 |
| Audrey Wasilewski | Shirley Wilkes | Janet | 1 | 1 |
| Ava Gaudet | Lisa Bock | Stacey Meyer | 1 | 1 |
| Barbara Eve Harris | FAA Director Stacy Bergin | Melinda Stinson | 1 | 1 |
| Blake Robbins | Navy Commander Scott Martin | Mark Miller | 1 | 1 |
| Bradley White | Bart Powell | Roger | 1 | 1 |
| Brett DelBuono | Navy Seaman Apprentice Brian Dokes | Justin Tanner | 1 | 1 |
| Christopher Gartin | Jason Tupperman | Keith Embry | 1 | 1 |
| David Lengel | Carlton Laymer | Anderson | 1 | 1 |
| Dennis Apergis | Ivan Ahmeti | Shimmon | 1 | 1 |
| Ginny Weirick | Lynne | Carley | 1 | 1 |
| Glenn Taranto | Eddie Kowolski | Detective Lampert | 1 | 1 |
| John Cothran, Jr. | Alfred Holbrook | Judge Albert Longmuir | 1 | 1 |
| John Prosky | Carl Dalton | Jerry Murphy | 1 | 1 |
| John Sloan | Luke Pischedda | Evan Olsen | 1 | 1 |
| Katie Lowes | Bryn Landers | Kendra Walker | 1 | 1 |
| Larry Clarke | Director | George Walters | 1 | 1 |
| Mathew St. Patrick | Metro Detective Quinton Shard | Malcolm | 1 | 1 |
| Matthew John Armstrong | Navy Seaman Michael Hayes | Daron Rousakis | 1 | 1 |
| Meeghan Holaway | Dr. Hale | Barbara | 1 | 1 |
| Ming Lo | Davey Chen | Lawyer | 1 | 1 |
| Molly Hagan | Audrey Vetter | Karen Adams | 1 | 1 |
| Samantha Quan | Amy Linden | Kimmy | 1 | 1 |
| Stephanie Childers | Mrs. Gillis | Donna Jackson | 1 | 1 |
| Susan Ruttan | Samantha "Sammy" Delfino | Nora | 1 | 1 |
| Tessa Munro | Travis's Mom | Dr. Campbell | 1 | 1 |
| Tom Choi | Navy Commander Bradley Hall | Jake | 1 | 1 |
| Tyler Jacob Moore | Richie Rose | Duke | 1 | 1 |
| Jeffrey Doornbos | Marshall Tomko | Matt | 1 | 2 |
| Marlon John | Guard, PMC #2 | Police Officer | 2 | 1 |
| Andy Comeau | M.P.D. Detective Tom Logan | Nathan Pilsman | 1 | 1 |
| Anna Khaja | ADA Eliza Hutchins | Cooper's Lawyer | 1 | 1 |
| Chase Kim | SRT Sniper | Cop | 1 | 1 |
| Christinna Chauncey | Andrea Morton | Trish | 1 | 1 |
| Dan Warner | Federal Marshal | Daniel | 1 | 1 |
| Daniel Polo | Parker Ryan | Malcolm | 1 | 1 |
| Ivar Brogger | Simon Katz | Ronald Debray | 1 | 1 |
| Jacqueline Hahn | Kathy Tolin | Grace | 1 | 1 |
| Jamie Hill | Chloe Chandler | Hot Girl | 1 | 1 |
| Mackenzie Astin | Michael Rose | Dan Meyer | 1 | 1 |
| Patrick Quinlan | London Bobby | Bike Courier | 1 | 1 |
| Paul Cassell | Bart Crowley | Jason Dupree | 1 | 1 |
| René Ashton | Justine Wolfe | Ellen | 1 | 1 |
| Sarah Hagan | Sandy | Kim Walters | 1 | 1 |
| Sarah Jane MacKay | Rose | Anna | 1 | 1 |
| Timothy Bottoms | Ritt Everett | Irwin | 1 | 1 |
| Adria Tennor | Angela Dresser | Dr. Berman | 1 | 1 |
| Doug Simpson | Roger Dietz | Troy | 1 | 1 |
| Drew Rausch | Brandon Singer | Eric | 1 | 1 |
| Greg Collins | Police Officer Metro PD | Detective | 1 | 1 |
| Jason Grutter | Camera Man | Firefighter | 1 | 1 |
| John Eddins | Steve | Burly Cop | 1 | 1 |
| Karl T. Wright | John Hicks | Dr. Dave | 1 | 1 |
| Michael Patrick McGill | Joey Kelly | Marshall | 1 | 1 |
| Rueben Grundy | Philadelphia P.D. Detective Dubrow | Cop | 1 | 1 |
| Steven W. Bailey | Dexter Murphy | Joe | 1 | 1 |
| Ajay Mehta | Parviz Najar | Surgeon | 1 | 1 |
| Alexandra Lydon | Natalie Dalton | Eleanor | 1 | 1 |
| Brad Grunberg | Big Ed | Mover | 1 | 1 |
| Darren Keefe | Steven Baker | Mark | 1 | 1 |
| Ethan Corn | Physician | Basketball Player | 1 | 1 |
| Grace Rowe | NCIS Special Agent Donna Andrews | Annette | 1 | 1 |
| Greta Sesheta | Receptionist | Nora | 1 | 1 |
| Joey Oglesby | Merle Axelrod | Tim | 1 | 1 |
| Matt Riedy | Navy Rear Adm. Kenneth Kirkland | Ken Wilson | 1 | 1 |
| Nick Massouh | Navy Chief Petty Officer Refet Ramadani | Elliot | 1 | 1 |
| Patrick Robert Smith | Tim Gerber | Coach Patterson | 1 | 1 |
| Tony Nowicki | Seaman | Mike Schaffer | 1 | 1 |
| William Charlton | Metro P.D. Jeff Katz | Prosecutor | 1 | 1 |
| Ariel Felix | Alon ATU | Surgical Resident | 1 | 1 |
| Josh Latzer | Olek Lazarenko A.K.A. Man | Guard #2 | 1 | 1 |
| Troy Vincent | Lawyer | Dr. James | 1 | 1 |
| Grinnell Morris | FBI Agent Carlson | Ted Jarvey | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.