All 92 actors in both L.A. Law and Mad About You
92 actors have appeared in both L.A. Law and Mad About You, across 347 episodes. The most-credited is Cynthia Harris, Iris Hubbard in L.A. Law and Sylvia Buchman in Mad About You.
| Actor | In L.A. Law | In Mad About You | Eps | Eps |
|---|---|---|---|---|
| Cynthia Harris | Iris Hubbard | Sylvia Buchman | 7 | 28 |
| Michael Fairman | Judge Douglas McGrath | Conductor | 14 | 1 |
| George O. Petrie | Dwight Kroft | Sid Novak, The Elevator Operator | 1 | 9 |
| Annie Abbott | Judge Janice L. Neiman, Nita | Friendly Woman | 8 | 1 |
| Kathleen Wilhoite | Rosalie Hendrickson | Iris | 7 | 2 |
| Jerry Hardin | D.A. Malcolm Gold | Al | 6 | 1 |
| Gates McFadden | Uta Keller | Allison Rourke | 1 | 4 |
| James Earl Jones | Lee Atkins | James Earl Jones | 2 | 1 |
| Parley Baer | Judge Parker | The Husband | 2 | 1 |
| Susan Blommaert | Dr. Janice Scheinbaum | Miss Grundy, Rita | 1 | 2 |
| Penny Fuller | Cynthia Levine | Theresa Stemple | 1 | 4 |
| Eric Christmas | Buzz Carr | Bernard | 1 | 1 |
| Erick Avari | Dr. William Harris | Dr. Arzupian | 1 | 1 |
| Iqbal Theba | Atman Chandra | The Cabbie | 1 | 1 |
| John Fleck | Homeless Man | Ricky | 1 | 1 |
| Marva Hicks | Lee Johnson | Remy | 2 | 4 |
| Robert Costanzo | Vinnie LaRosa | The Door Guy | 3 | 1 |
| Steven Gilborn | Robert Richards | Professor Tomassi | 3 | 1 |
| Wayne Tippit | Leo Hackett | Manny Gantz | 5 | 1 |
| Kenneth Tigar | Clarence O'Malley, Mr. McClain | Norman Lark | 2 | 1 |
| Albert Owens | Lawrence Bradley | The Cat | 1 | 1 |
| Allan Arbus | Lawrence Stone | Albert Urbont | 1 | 1 |
| Elena Wohl | A.D.A. Ellen Harris, Fran Winston | Ellen | 3 | 1 |
| Greg Collins | Bailiff | Sergio | 1 | 1 |
| Joyce Guy | Clerk, Court Clerk | The Nurse | 3 | 1 |
| Kim Hunter | Natalie Schoen | Millie Barton | 1 | 1 |
| Paul Dooley | Karl Bullen | Gus Stemple | 1 | 1 |
| Ralph Bruneau | Frank Swayze | Jim | 1 | 1 |
| Sherman Howard | Ed Haley | The Executive | 1 | 2 |
| Stephen Tobolowsky | Dr. Michael Segal | Principal Hocksacker | 1 | 1 |
| Wendie Malick | Laura Schoen Russianoff | Carol | 1 | 1 |
| Aaron Lustig | Dr. Philip Avery | The Neighbor | 2 | 1 |
| Beau Billingslea | Detective Don Cuva | Ralph Martoni, The Security Chief | 1 | 2 |
| Allan Wasserman | Dr. Stewart | The Lawyer | 1 | 1 |
| Dick O'Neill | Father Walter McNamara | Manny Barton | 1 | 1 |
| Edie McClurg | Cille Vonzel | Rosie | 1 | 1 |
| Jack Shearer | Colonel Kellog | Manny Gantz | 1 | 1 |
| Jesse D. Goins | Detective Milton Labine | DiChristophoro' Lawyer | 1 | 1 |
| Larry Hankin | Lyle Kendrick | Bob the Security Guard | 1 | 1 |
| Larry Romano | Bobby Falcone | Vinnie | 1 | 1 |
| Lisa Edelstein | Francine Flicker | Lynne Stoddard | 1 | 1 |
| Mario Roccuzzo | Walter Hilbar | Racing Fan | 1 | 1 |
| Marty Rackham | Brett Lane | The Phone Repair Man | 1 | 1 |
| Steve Buscemi | David Lee | Howie Ballinger | 1 | 1 |
| Vic Polizos | Al Vogel | The Truck Driver | 1 | 1 |
| Lenny Wolpe | Noah Cowan | Monty | 2 | 1 |
| Patrick Cronin | Lester Mestman | The Postal Worker | 2 | 1 |
| Annie Korzen | Dr. Diane Karvitz, Rose Stepanoff | Fritzi | 2 | 1 |
| Brian McNamara | Matt Leonard | Doug | 1 | 1 |
| Debra Mooney | Marsha Henderson | Sister Dorothea | 1 | 1 |
| George D. Wallace | Judge Peter Brosens | The Projectionist | 1 | 1 |
| Helen Siff | Mrs. Brantley | Female Teacher | 1 | 1 |
| Michael Tomlinson | Ed Weisberg | Customer | 1 | 1 |
| Robert Curtis Brown | Paul Jameson | The Lawyer | 1 | 1 |
| William Mesnik | Richard Baker | The Bowling Guest | 1 | 1 |
| Christian Clemenson | Pomerantz | Jared | 1 | 2 |
| Dan Castellaneta | David Champion, Homer Simpson | Rory O'Grady | 1 | 1 |
| Don McManus | Dr. James Rissler | Chris Tofsky | 1 | 1 |
| Earl Billings | Tommy Elkin | The Security Guard | 1 | 1 |
| F.X. Vitolo | Matty | Newsdealer #1 | 1 | 1 |
| Leland Orser | Richard Daggett | Professor Gittleson | 1 | 1 |
| Peter White | Stanley Silverman | Judge Chuffa | 1 | 1 |
| Richard Roat | Dr. Carl Goodwin | Phillip | 1 | 1 |
| Shirley Prestia | Nina Coffey | The Tourist | 1 | 1 |
| Stephen Pearlman | Dr. George Mosse | The Ethics Professor | 1 | 1 |
| Tom Hodges | "Not Kuzak" | Pool Player #3 | 1 | 1 |
| William Utay | George Whelan | The Maitre'D | 1 | 1 |
| Christopher Darga | Detective Ray Zacchino | Akiba the Cameraman | 1 | 1 |
| Darlene Kardon | Judge Constance Gregg | Svetlana Poszinsky | 2 | 1 |
| Hiram Kasten | Kenny Adler | Leon | 1 | 1 |
| Jennifer Darling | Amanda Shaw | Cassie Bluestone | 1 | 1 |
| Kathryn Spitz | Teacher | Dana | 1 | 1 |
| Lawrence Mandley | Clerk | Leon, Orderly #1 | 1 | 1 |
| Marcelo Tubert | Dr. David Koenig | The Subway Passenger | 1 | 1 |
| Neil Vipond | Judge Kennedy | Friendly Man | 1 | 1 |
| Pat Crawford Brown | Jury Foreman #2 | Neighbor #1 | 1 | 1 |
| Phil LaMarr | Reporter #3 | Marshall, the Producer | 1 | 1 |
| Robert Dorfman | Dr. Dryden | The Counterman | 1 | 1 |
| Scott Jaeck | Dr. Frederick Schoettle | Pool Player from A.A. | 1 | 1 |
| Willie Garson | Jay Berg | Randall | 1 | 1 |
| David Dunard | Detective Sergeant Horace Flynt | Dan the Cop | 1 | 2 |
| Ann Walker | Emcee | The Receptionist | 1 | 1 |
| Elizabeth Norment | Estelle Friedland | Female Passenger | 1 | 1 |
| Frank Birney | Warden | The Waiter | 1 | 1 |
| John F. O'Donohue | Foreperson | Ernest | 1 | 1 |
| Phyllis Lyons | Kate Delahanty | Darla | 1 | 1 |
| John Capodice | Val Ventresca | Bill | 1 | 1 |
| Paul Eiding | Ben Slaeffer | Herbert | 1 | 1 |
| Yoshio Be | Sushi Chef #2 | Businessman #1 | 1 | 1 |
| Jack Ritschel | Williard Bannion | Pirate | 1 | 1 |
| Murray Rubin | Manager | Al Birnbaum | 1 | 1 |
| Lance E. Nichols | Clerk | Dr. Eckstein | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.