All 176 actors in both L.A. Law and NCIS
176 actors have appeared in both L.A. Law and NCIS, across 679 episodes. The most-credited is Joe Spano, George Ripley in L.A. Law and Tobias C. Fornell in NCIS.
| Actor | In L.A. Law | In NCIS | Eps | Eps |
|---|---|---|---|---|
| Joe Spano | George Ripley | Tobias C. Fornell | 1 | 56 |
| Jennifer Hetrick | Corrinne Hammond | Dr. Donna Dunlap | 14 | 1 |
| Steven Eckholdt | Patrick Flanagan, Mark Cleland | Navy Cmdr. Dr. Brad Pitt | 9 | 1 |
| Sheila Kelley | Gwen Taylor | Victoria Dearing | 8 | 1 |
| Susanna Thompson | Susan Alner | Army Lt. Col. Hollis Mann | 1 | 8 |
| Michael Holden | D.A. George Handleman | Dr. Wayne Dobson | 6 | 1 |
| Gregory Itzin | D.A. Jack Angeletti | FBI Director, Spencer Downing | 3 | 3 |
| Elizabeth Peña | Jinx Baldasseri | FBI Agent Lina Reyes | 4 | 1 |
| Don Lake | Bob Steinlage | Navy Captain Phillip Brooks | 1 | 3 |
| Greg Germann | Larry Greenhut | NCIS Deputy Director Jerome Craig | 1 | 3 |
| Megan Gallagher | Leslie Aaron | Under Secretary of the Navy Jennifer Leo | 1 | 3 |
| Richard Fancy | Norman Klein | Leonard Weiss | 3 | 1 |
| Diane Delano | Rhonda Vasek | Dee Dee Chesney | 6 | 1 |
| CCH Pounder | Judge Roseann Robin | Jefferson Parish Coroner Doctor Loretta Wade | 4 | 2 |
| Don Swayze | William Dollar | Logan Clay, Pete Walker | 1 | 2 |
| James Morrison | Walter Phelps | CIA Assistant Director Jonathan Overmeier, U.S. Senator John Phillips | 1 | 2 |
| Jayne Brook | Beverly Halleran | Lyndi Crawshaw | 2 | 1 |
| K Callan | Florence Hackett | Bertha Jones-Delacroix, Grace Mullen | 1 | 2 |
| Ray Wise | D.A. Walter Platt | Wayne Tobett | 2 | 1 |
| Rif Hutton | ADA Jenkins | Marine General Phillip Braxton | 1 | 2 |
| Robert Pine | Bruce Fairchild | Congressman Theodore Randolph, Golfer Ben | 1 | 2 |
| Kate Vernon | Belinda Fox | Caroline Morrow | 4 | 1 |
| Sam Anderson | D.A. Bill Graphia | Walter Carmichael | 4 | 1 |
| Tim Guinee | Officer Brian Chisolm | Bart Lemming | 4 | 1 |
| Carl Lumbly | Earl Williams | Navy Rear Admiral Beau Hindley | 6 | 1 |
| A Martinez | Hector Rodriguez | Tomas Orlando | 1 | 1 |
| Christian Clemenson | Pomerantz | Perry Sterling | 1 | 1 |
| Dee Wallace | Elaine Weston | Claire Hall | 1 | 1 |
| Don S. Davis | Judge Richard Bartke | MTAC Control Officer | 1 | 1 |
| Jack McGee | John Brianson | Det. Floyd, Richard "Rick" Jordan | 2 | 2 |
| Michael O'Neill | Robert Moran | Former NCIS Special Agent Riley McCallister | 1 | 3 |
| Nick Searcy | Paschal Keck | Joseph Barnes | 1 | 1 |
| Raphael Sbarge | Anthony Marciante | Rupert Kritzer | 1 | 1 |
| René Auberjonois | Kevin Richardson | Dr. Felix Blackwell | 1 | 1 |
| Robert Knepper | George "Georgia" Buckner, David Orcott | Benson Long | 3 | 1 |
| Susan Ruttan | Roxanne Melman | Samantha "Sammy" Delfino | 1 | 1 |
| Cotter Smith | Tony Henderson | NCIS Special Agent in Charge Sam Stevens | 3 | 2 |
| Ray Abruzzo | Anthony Gianelli | Rick Azari | 4 | 1 |
| Richard Riehle | Roger Beekman, Edmund Clancy | Walt Osorio | 3 | 2 |
| Alanna Ubach | Christine Rowan | NSA Senior Intelligence Analyst Sofia Martinez | 1 | 2 |
| Jennifer Rhodes | D.D.A. Gylkowski | Claudia | 2 | 1 |
| Mimi Kuzyk | A.D.A. Marilyn Feldman | Ginger Stevenson | 2 | 1 |
| Nina Foch | Marcia Schwartz | Mrs. Victoria Mallard | 1 | 2 |
| Scott Lawrence | James Ray Edwards | DEA Agent Raymond Frank, Navy Captain Thomas Lind | 1 | 2 |
| Fran Bennett | Judge Hillary Miller Johnson | Mary Elaine Smith | 2 | 2 |
| Richard Schiff | Dog Pound Operator Taylor | Harper Dearing | 1 | 3 |
| Robert Costanzo | Vinnie LaRosa | Jimmy Napalitano | 3 | 1 |
| Bruce French | Brian Mellor | Floyd Vernon | 2 | 1 |
| Claudia Christian | Susan Convers | Belgian Vsse Officer Louise Moreau | 1 | 1 |
| Cristine Rose | Gail Mack, Gay Halloran | Pat Stone | 2 | 1 |
| Dan Lauria | Joseph Sears | Emergency Room Guard Morgan Cade | 1 | 1 |
| Deborah Strang | Carol Graf | Diane Warner | 1 | 1 |
| Denise Crosby | Joan Turtletaub | Secretary of the Navy Hattie Taylor | 1 | 1 |
| Don Stark | D.D.A. William Davidoff | Marty Fiero | 1 | 1 |
| Erick Avari | Dr. William Harris | Col. Dan McClafferty | 1 | 1 |
| Gates McFadden | Uta Keller | Constance Belmont | 1 | 1 |
| George Wyner | Aaron Voss | Randall Worthington | 1 | 1 |
| Joel Brooks | Don Butcher, Kiefer Mitchell | Ronnie Mustard | 2 | 1 |
| John Vickery | Kenneth Clipner | Interpol Inspector Hugh Benson | 2 | 1 |
| Kevin Kilner | James Campbell | Patrick Norian | 1 | 1 |
| Matt McCoy | Rick Turner | Senator Thomas Bransfield | 1 | 1 |
| Matthew Glave | Robbie Richards | Navy Commander John McGee | 1 | 1 |
| Michael Des Barres | Mr. Allesio | Del Finney | 1 | 1 |
| Robin Pearson Rose | ADA Martha Peters | Lorrain Thorson | 3 | 1 |
| Scott Michael Campbell | Brian Conley | Robert Miller | 1 | 1 |
| Steven Culp | Dr. Wayland Lottera | Navy Cmdr. William Skinner | 1 | 1 |
| Tim De Zarn | Voltaggio | David Runion | 1 | 1 |
| Vernée Watson | Wilma Russ | Miss Helen Frimkes | 1 | 1 |
| Aaron Lustig | Dr. Philip Avery | Doctor Victor Kalsa | 2 | 1 |
| Bernard White | Conrad Peters | Afghani Ambassador Qasim Saydia | 2 | 1 |
| Donzaleigh Abernathy | Jenny Manley, Naomi Wyckoff | NSA Deputy Director Ronda Ellis | 2 | 1 |
| Isabella Hofmann | Karen Morrison | Judge Evelyn Wallace, Kate Reynolds | 1 | 2 |
| Ken Lerner | Attorney Peter Duble | Albert Hencheck | 2 | 1 |
| Mary Anne McGarry | Judge Janice Lofgren, Sarah Halpern | Fern Robbins | 2 | 1 |
| Randy Oglesby | Dr. Kendall Gratz, Leonard Knipp | Army Brigadier General Scott Oliver | 2 | 1 |
| Robert Picardo | Joe Dumphy | Retired Marine Gunnery Sergeant Dale Harding | 2 | 1 |
| Tina Lifford | Faith Glassman | Dr. Fox | 2 | 1 |
| Annie Corley | Phyllis Wodjack | Deputy Secretary of State Elliot | 1 | 1 |
| Brian McNamara | Matt Leonard | Noah Sykes | 1 | 1 |
| Dave Florek | Policeman | Virgil McKeever | 1 | 1 |
| Edie McClurg | Cille Vonzel | Ruth Potts | 1 | 1 |
| Jason Beghe | Detective Greg Riley | Blake Martin | 1 | 1 |
| John Kapelos | Jack Lewis | Vice Principal Vic Castor | 1 | 1 |
| Judy Kain | Joanna | Gladys Stone | 1 | 1 |
| Lee Garlington | Regina Furnald | Mary Hanlan | 1 | 1 |
| Linda Gehringer | Kate Recklaw | Michelle Stark | 1 | 1 |
| Shannon Cochran | D.D.A. Ms. Schiff | Mallory Linn | 1 | 1 |
| Stephen Mendel | Judge Harry Martin | Retired NCIS Special Agent Fred Pettis | 1 | 1 |
| Steve Eastin | Sam Hamman | Frank Smith | 1 | 1 |
| Vanessa Bell Calloway | Robyn Edwards | Sally Hammond | 1 | 1 |
| Virginia Watson | Paramedic | Nurse Ruth Corruthers | 1 | 1 |
| Clyde Kusatsu | Judge T.S. Masuoka | Benjamin Franklin, Mister Takumi Rin | 1 | 2 |
| Gina Hecht | Dianna Dorian | Christine Newhall | 2 | 1 |
| Katherine Cortez | D.A. Georgina Tripp, Dr. Laura Ortiz | Thelma McKeever | 2 | 1 |
| Kenneth Tigar | Clarence O'Malley, Mr. McClain | Diggar Aldridge | 2 | 1 |
| Louis Mustillo | Geoff Stachwill | Emilio "Freckles" Zucado | 2 | 1 |
| Mark Hutter | Ken Feldman | U.S. Ambassador James Ealy | 2 | 1 |
| Natalija Nogulich | Attorney Lorraine Korshak, Helen Keris | Judge Maddox | 2 | 1 |
| Scott Paulin | Alex Jennings, Ben Salter | Navy Capt. Kevin Dorn | 2 | 1 |
| Stacy Edwards | Nicole Corry, Sydney Peters | Commander Janice Byers | 2 | 1 |
| Steven Flynn | Anton D'Arcy, Ellis Agnew | Roman Sobchek | 2 | 1 |
| Tom Everett | Patrick Phillips | CIA Head of Intelligence Kirkwood Zaysen | 2 | 1 |
| William Allen Young | Mitchell Dune | FBI Director Barry Hutchins, U.S. Secretary of Defense Moses McClaine | 1 | 2 |
| Bonnie Bartlett | Gloria Lee | Dr. Silvia Chalmers | 1 | 1 |
| Brian Markinson | Steve Gerald | Marine EOD Sgt. Dan Trask | 1 | 1 |
| Bruce Gray | Alex Wayne | CIA Director Roper | 1 | 1 |
| Christopher Darga | Detective Ray Zacchino | Skip Harris | 1 | 1 |
| Ely Pouget | Ms. Novak | Julie Watson | 1 | 1 |
| Geoffrey Blake | Ray Meacham | Marc Attencio | 1 | 1 |
| Graham Beckel | Willie Kosar | Norman "Pit" Pittorino | 1 | 1 |
| Granville Ames | Photographer | Hank | 1 | 1 |
| Jack Kehler | Pest Control Exterminator Steve Tumka | Tom Wilson | 1 | 1 |
| Jack Stehlin | Clerk | Navy Cmdr. Harry Wilder | 1 | 1 |
| Jenny O'Hara | Dr. Sarah Evans | Alice Brodie | 1 | 1 |
| Jesse D. Goins | Detective Milton Labine | Jeffrey Wilson | 1 | 1 |
| John Pleshette | Mark Kumpel | Tom Crawley | 2 | 1 |
| Lou DiMaggio | Hotel Desk Clerk | Nestor Carbone | 1 | 1 |
| Madison Mason | Peter Osteen | Marine Lt. Colonel Bushnell | 1 | 1 |
| Rob Brownstein | Foreperson, Howard Balin, Public Defender | Wayne Gordon | 3 | 1 |
| Stephen Caffrey | David Schaeffer | Kevin Braddish | 1 | 1 |
| Titus Welliver | William Boyd | Navy Capt. Roger Walsh | 1 | 1 |
| H. Richard Greene | Steven Waering, Mitchell Glazer | Thomas Victor | 3 | 1 |
| Dan Ziskie | Michael MacLeish | Captain Vetter | 2 | 1 |
| Lawrence Pressman | Richard Hollis | Dr. Russell Pike, Secret Service Director | 1 | 2 |
| Shannon Wilcox | Judy Rudolph, Lynda Graham | Mrs. Roach | 2 | 1 |
| Aixa Clemente | Sherril Saulter | Nancy | 1 | 1 |
| Alyson Reed | Joan Dawson | Monica Keogh | 1 | 1 |
| Andrew Bilgore | Ivan Goodpaster | Franklin Morrison | 1 | 1 |
| Beau Billingslea | Detective Don Cuva | Denny "Pop" Rydell | 1 | 1 |
| Dan Martin | Officer Walters | Mail Carrier | 1 | 1 |
| Don McManus | Dr. James Rissler | Mark Stafford | 1 | 1 |
| Lisa Banes | Cara Mitchell | Ambassador Olivia Edmunds | 1 | 1 |
| Michael Whaley | Eddie "Fast Break" Foster | Detective J.D. Morris | 1 | 1 |
| Scott Williamson | Scott Wexler | Virginia Governor Charles Norin | 1 | 1 |
| William Bumiller | Clay Jones | Admiral Charles Graves | 1 | 1 |
| Brian George | Ollie Jayaraman, Restaurant Chef | Dr. Ameen Temani | 2 | 1 |
| Carlton Wilborn | Oz Wilson | Marine Master Sergeant Charles Garrett | 1 | 1 |
| Edmund L. Shaff | Edward Lewis | Security Guard George | 1 | 1 |
| Edward Edwards | John Campbell | Congressman | 1 | 1 |
| Gary Grubbs | U.S. Marshal William Hopson | Coroner Elmo Poke | 1 | 1 |
| Iqbal Theba | Atman Chandra | Ramesh Sengupta | 1 | 1 |
| Ivar Brogger | Dr. Bradley Michaelson | Simon Katz | 1 | 1 |
| John DeMita | Jerry McVey | Navy Admiral Jorge Morales | 1 | 1 |
| Larry Cedar | Robert Wilentz | Jason Kaplan | 1 | 1 |
| Marcelo Tubert | Dr. David Koenig | Nazar Boulos | 1 | 1 |
| Mary Pat Gleason | Edna Girth | Nurse Wells | 1 | 1 |
| Michael Ensign | Dr. George Leeson | Doctor Ishmael Havana | 1 | 1 |
| Richard Balin | Neighbor | Marty | 1 | 1 |
| Ryan Cutrona | FBI Agent O'Hearn | Ray Beringer | 1 | 1 |
| Susan Angelo | Harriet Ordover | Admiral's Wife | 1 | 1 |
| Terry Bozeman | Richard Jeffries | Navy Cmdr. Doug Jakobsen | 1 | 1 |
| Terry O'Quinn | Nick Moats | Colonel Will Ryan | 1 | 1 |
| Tom Virtue | Rick Nash | Frank Satner | 1 | 1 |
| Tom Wright | D.A. Prentiss Scott | Warden Sam Kelleher | 1 | 1 |
| David Gautreaux | Jury Foreperson, Mr. Brunner | Richard Colford | 2 | 1 |
| Bennet Guillory | Judge Walter Emerick | Henry | 1 | 1 |
| Brian Cousins | Val Beaudine | Jacob Torrance | 1 | 1 |
| Enrique Castillo | Al Ruiz | Ruleo Medilla | 1 | 1 |
| Leon Russom | Matthew Wilton | Grandpa | 1 | 1 |
| Mik Scriba | Guard Bob | Mr. Walters | 1 | 1 |
| Robert Curtis Brown | Paul Jameson | Gary Tolin | 1 | 1 |
| Shaun Duke | Cop #1 | Azid Abu Selom | 1 | 1 |
| Todd Jeffries | City Attorney Larry Martin | Thomas Gardiner | 1 | 1 |
| Greg Collins | Bailiff | Police Officer Metro PD | 1 | 1 |
| Hugh Holub | Schlub #2 | Superintendant | 1 | 1 |
| Leann Hunley | Maura Fitzgerald | Young Joann Fielding | 1 | 1 |
| Penny Peyser | Leslie Wheaton | Judge Susan Delphy | 1 | 1 |
| Philip Lenkowsky | Ira Mytelka | Squeegee Man | 1 | 1 |
| Adrian Sparks | Dr. Mitchell Lewen | Hugo Radcliffe | 1 | 1 |
| Barbara Tarbuck | Dr. Nagel | Grandma | 1 | 1 |
| David Andrews | Mr. Simmons | U.S. Secretary of Defense Errol Coyne | 1 | 1 |
| Geoffrey Rivas | Ramon Escala | Ricardo Guzman | 1 | 1 |
| John Prosky | Officer Randall Carlson | Carl Dalton | 1 | 1 |
| Brad Grunberg | Valet | Big Ed | 1 | 1 |
| George Gerdes | Detective Nagy | Field Marshall Nigel Rand | 1 | 1 |
| Sanjay Chandani | Kumar | Surgeon | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.