All 101 actors in both L.A. Law and Magnum, P.I.
101 actors have appeared in both L.A. Law and Magnum, P.I., across 333 episodes. The most-credited is Kathleen Lloyd, Adrian Joyner in L.A. Law and Assistant D.A. Carol Baldwin, Bridget Archer in Magnum, P.I..
| Actor | In L.A. Law | In Magnum, P.I. | Eps | Eps |
|---|---|---|---|---|
| Kathleen Lloyd | Adrian Joyner | Assistant D.A. Carol Baldwin, Bridget Archer | 1 | 21 |
| Lillian Lehman | Judge Mary Harcourt | Evelyn Perry | 11 | 1 |
| Clyde Kusatsu | Judge T.S. Masuoka | Col. Ki, Dr. Long Tang, Naval Medical Examiner | 1 | 8 |
| George Coe | Judge Wallace R. Vance | William Wainwright | 8 | 1 |
| Anne Twomey | Linda Salerno | Alicia Maxfield | 5 | 1 |
| Lance LeGault | Scott Perot | Col. Buck Greene, John Newton | 1 | 11 |
| Philip Sterling | Judge Jonathan Cramer | Harry Clayborn | 4 | 1 |
| Cynthia Sikes | Judge Monica Ryan | Lauren Henderson | 3 | 1 |
| Fritz Weaver | Dr. Aaron Pierce | Captain Cooly | 1 | 2 |
| Vonetta McGee | Jackie Williams | Inez Stuart | 6 | 1 |
| Christine Belford | Lily White | Adelaide Malone | 1 | 1 |
| Cindy Pickett | Lois Alner | Karen Teal | 1 | 1 |
| Marta DuBois | Gwen Fuller | Michelle Hue | 1 | 5 |
| Richard Roundtree | Judge Ira Menday | Peter Jordan | 1 | 1 |
| Alan Fudge | Terrance Flaherty, Chet Seaverson | Arthur, Mr. Gaylord | 4 | 2 |
| Bob Minor | Cop #2 | Ron Pennington, Rose | 1 | 2 |
| Branscombe Richmond | Dr. William Landale | Moki, Gerald Okoa, Henchman | 1 | 5 |
| Bruce French | Brian Mellor | Ensign Jensen | 2 | 1 |
| David Hemmings | Charles Lamb | Danny, Lord Archibald 'Binkie' Smythe-White | 1 | 2 |
| Hari Rhodes | Federal Judge Emmanuel | Mr. Wanda, Prison Guard | 1 | 2 |
| Robert Apisa | Cop #2 | Joe Soames, Mortician | 1 | 2 |
| Gregg Henry | Robert Cullen, Sam Barkwell | William Keyes | 3 | 1 |
| John Calvin | Bruce Ingalls | Arthur Wainwright, Gary, Nick | 1 | 3 |
| Carolyn Seymour | Vivian Askoff | Elizabeth, Lady Ashley, Leeann | 2 | 3 |
| Danny Kamekona | Yoshi Nakajima | Hoon Ching, Police Sgt. Akama, Russell Nakamura | 1 | 4 |
| Sam Anderson | D.A. Bill Graphia | Ray Jones / John Doe | 4 | 1 |
| Byrne Piven | Dr. Kenneth Cahill | Pasqual Valez | 1 | 1 |
| Charles Lucia | Mitchell Mishkin | Coast Guard Lieutenant | 1 | 1 |
| Erin Gray | Rochelle Peters | Joy "Digger" Doyle | 1 | 1 |
| George Cheung | Ronald Chow | Choi, Kanki's Nephew, Victor Ching | 1 | 3 |
| Greg Mullavey | Gil Furnald | Charlie Amos | 1 | 1 |
| Kenneth Tigar | Clarence O'Malley, Mr. McClain | Milton 'The Ripper' Collins | 2 | 1 |
| Lew Ayres | Lorimar Henderson | Sidney Dollinger | 1 | 1 |
| Nick Dimitri | Cop #3 | Archie | 1 | 1 |
| Nicolas Coster | Brian P. Young | Andrew MacKenzie | 1 | 1 |
| Pat Corley | Uncle Willard Sabrett | Dennis MacKenzie | 1 | 1 |
| Paul Sand | Headmaster Ted Waldron | Denny Prine | 1 | 1 |
| Robert Phalen | Judge Lemuel Collins | Michaels | 1 | 1 |
| Robert Pine | Bruce Fairchild | Lt. Thomas Magnum Sr. | 1 | 1 |
| Roy Dotrice | Alex Vedder | Harcourt | 1 | 1 |
| Shawn Hoskins | Rosalie Baskin | Sharon Karns | 1 | 1 |
| Andy Romano | Barney Dowe | Clarence Burnside | 2 | 1 |
| Drew Snyder | Bernard Lavelle | Jack Curry | 2 | 1 |
| Frank Whiteman | Judge Joseph Crea | Baylock | 2 | 1 |
| Haunani Minn | Judge Dorothea Sheps | Ilima Parker | 2 | 1 |
| James Edgcomb | Detective Mark Stanziani | Ed Kanfer, Phil Lewis | 1 | 2 |
| Kenneth Mars | Judge John Zimring | Archie, Joseph | 1 | 2 |
| Kim Miyori | Carol Koyama | Kiana Dow, Mioshi Osawa | 1 | 2 |
| Carlos Romero | Alfredo Perez | Grady Walker | 1 | 1 |
| Claudia Cron | Reporter Joyce Kulhewic | Jeannie | 1 | 1 |
| Ernest Harada | Siggy Holbein | George Wong | 1 | 1 |
| Gary Grubbs | U.S. Marshal William Hopson | Dexter | 1 | 1 |
| George McDaniel | Mr. Jameson | Jay Barnett | 1 | 1 |
| Jeff Pomerantz | Milton Stadler | Yuri Dolgof | 1 | 1 |
| John Bennett Perry | Richard Lauderbach | Stephen Parker | 1 | 1 |
| Joseph Wiseman | Isidore Schoen | Dr. Albert Tessa | 1 | 1 |
| Joshua Bryant | Dr. Gregory Stark | Keeler | 1 | 1 |
| Mark Withers | Dr. Glasband | Dave Gilbert | 1 | 1 |
| Michael V. Gazzo | Roscoe Zambini | Victor DiGorgio | 1 | 1 |
| Richard Cox | Curtis Haber | Randy | 1 | 1 |
| Samantha Eggar | Camille Bancroft | Laura Bennett | 1 | 1 |
| Josie Over | Stenographer | Lily, Shirley | 1 | 2 |
| Kario Salem | Mr. Spera | Eric Daniels | 2 | 1 |
| Shannon Wilcox | Judy Rudolph, Lynda Graham | Diana Franklin / Holly Berry | 2 | 1 |
| Belinda Montgomery | Jessica Wilton | Frannie Huddle | 1 | 1 |
| Claudette Nevins | Sarah Schindler | Phyllis Reardon | 1 | 1 |
| Dick O'Neill | Father Walter McNamara | Harry MacKenzie | 1 | 1 |
| Gary Frank | Richard Visser | Jeff Spangler | 1 | 1 |
| Irene Tedrow | Katherine Crutcher | Mrs. Wilson, the Antique Dealer | 1 | 1 |
| James Karen | Dr. Everett Kyle | Dr. Hightower | 1 | 1 |
| James Luisi | Paul Viola | John Walter Costa | 1 | 1 |
| Jared Martin | Attorney Fein | Arthur Houston | 1 | 1 |
| John Pleshette | Mark Kumpel | Steve Elliott | 2 | 1 |
| Maria O'Brien | Carmen Carillo | King Kamehameha Club Manager Applicant | 1 | 1 |
| Michael Goodwin | Stan Venturelli | Frank Danton | 1 | 2 |
| Nehemiah Persoff | Rabbi Isidore Glickman | Rabbi Asher Solomon | 1 | 1 |
| Paul Gleason | Coach John Lungren | Ronnie Meeder / Jacques Arnot | 1 | 1 |
| Raymond Singer | Ethan Pincus, Ralph King | Benton Quirk | 2 | 1 |
| Sam Vlahos | Mr. Escala | Leo | 1 | 1 |
| Terry Kiser | Sal Cassella | Dennis Redfield | 1 | 1 |
| Tommy Madden | Adam Creland | Charles, the Dwarf | 1 | 1 |
| Allan Graf | Dick | Gunman at Tee Mar Office | 1 | 1 |
| Arlen Dean Snyder | Michael McGery | Mr. Shelby | 1 | 1 |
| David Spielberg | Judge Herbert Foster Reeves | Dan Morgan / Inspector Vittorio Mono | 1 | 1 |
| Joan McMurtrey | Elizabeth Lafferty | Marian Doheny O'Hara | 1 | 1 |
| John McCann | Raymond Lloyd | Lieutenant Drake | 1 | 1 |
| John Zarchen | Lloyd Hassock | Farnsworth | 1 | 1 |
| Peter Hansen | Judge Jeffrey Liddle | Navy Captain, Judge at Hearing | 1 | 1 |
| Ray Buktenica | Larry Mullen | Bruce Kunkle | 1 | 1 |
| Robert Ellenstein | Dr. Peter Lacker | Saul Greenberg | 1 | 1 |
| Dennis Robertson | Carlton Gertz | Dr. Lawrence Hallert, Magnum's Psychiatrist | 1 | 1 |
| Liam Sullivan | Trustee Jarrett | Harold Sands | 1 | 1 |
| Mary Jackson | Mildred Weedon | Gandmother MacKenzie | 1 | 1 |
| Matthew Faison | Judge Ned Strongin, Mr. Reading | Lee Childress | 2 | 1 |
| Ramon Bieri | Vernon Weeks | Captain Frank Browning | 1 | 1 |
| William Windom | Charles Flanagan | Captain James T. Lyle | 1 | 1 |
| Debbie Zipp | Mrs. E. Troutman | Lola Stenhauser | 1 | 1 |
| John McCook | Barry Graham | Prince Roland Martine | 1 | 1 |
| Peter Elbling | Wendel Mueller | Emile | 1 | 1 |
| Hal Williams | Councilman Marcus Cooke | Dave | 1 | 1 |
| Jay Ingram | Greg O'Halloran, John Siltan | Capt. Brackett | 2 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.