Actors in both L.A. Law and Quantum Leap
192 actors have appeared in both L.A. Law and Quantum Leap, across 266 episodes. The most-credited is Michael Fairman, Judge Douglas McGrath in L.A. Law and Judge Mulhearn in Quantum Leap.
| Actor | In L.A. Law | In Quantum Leap | Eps | Eps |
|---|---|---|---|---|
| Michael Fairman | Judge Douglas McGrath | Judge Mulhearn | 14 | 1 |
| Anne Haney | Judge Marilyn Travelini | Cassy Thailer, Grace Beaumont | 11 | 2 |
| Don Sparks | Russell Spitzer | Jake Wiles | 8 | 1 |
| Kathleen Wilhoite | Rosalie Hendrickson | Norma Jean Pilcher | 7 | 1 |
| Michael Holden | D.A. George Handleman | Herb Stein | 6 | 1 |
| Keith Mills | Judge Walter Green | Lionel / Mayor | 12 | 1 |
| Carolyn Seymour | Vivian Askoff | Zoey, Miss Stoltz | 2 | 4 |
| CCH Pounder | Judge Roseann Robin | Mama Harper | 4 | 1 |
| Stephen Root | Attorney Brandon McCafferty, Ferret | John Tremaine Jr. | 4 | 1 |
| Tom Verica | Billy Castroverti | Impala | 9 | 1 |
| Lorinne Vozoff | Judge Robert Harbin, Margaret Finneman | Mary Walters | 8 | 1 |
| Charles Frank | Jimmy Markham | Reed Dalton | 3 | 1 |
| Gregory Itzin | D.A. Jack Angeletti | Sam Phillips | 3 | 1 |
| Kurt Fuller | Clifford Gild, Ed Freeling, Stan Nussbaum | Burt 'The Turtle' Rosencranz | 3 | 1 |
| Diane Delano | Rhonda Vasek | Prostitute | 6 | 1 |
| Jerry Hardin | D.A. Malcolm Gold | Ed Saxton | 6 | 1 |
| Fran Bennett | Judge Hillary Miller Johnson | Marie Billings, Ada Simpson | 2 | 4 |
| Jennifer Rhodes | D.D.A. Gylkowski | Agnes Stevens | 2 | 1 |
| R.G. Armstrong | Frank Osgood | Davison | 2 | 1 |
| Kathleen Noone | Fran Hendrickson | Sadie Cotter | 4 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.