All 55 actors in both Murder, She Wrote and Who's the Boss?
55 actors have appeared in both Murder, She Wrote and Who's the Boss?, across 460 episodes. The most-credited is Jerry Orbach, Harlan "Harry" A. McGraw in Murder, She Wrote and Nick in Who's the Boss?.
| Actor | In Murder, She Wrote | In Who's the Boss? | Eps | Eps |
|---|---|---|---|---|
| Jerry Orbach | Harlan "Harry" A. McGraw | Nick | 6 | 1 |
| Kate Vernon | Connie Norton, Rhonda Sykes | Kathleen Sawyer | 2 | 4 |
| Mitchell Ryan | Captain Ernest Lenko, Ray Dixon, Rep. Arthur Prouty | Jack Sawyer | 4 | 1 |
| Pat Harrington Jr. | A.D.A. Melvin Comstock, Gunnar Globle, Lt. Lou Brickman | Dominic Burgozzi | 4 | 1 |
| Earl Boen | Sgt. Howard Sternhagen | Jim Peterson | 1 | 3 |
| Mark Costello | CHP Officer, Guard, Sgt. O'Connor | Man in Steam Room #1 | 3 | 1 |
| Efrem Zimbalist, Jr. | Gen. Marcus Havermeyer, Richard Thompson Grant | Robert Robinson | 2 | 1 |
| James Coco | Horatio Baldwin | Nick Milano | 1 | 2 |
| Jeff Conaway | Howard Griffin | Jeff | 2 | 1 |
| Jerry Hardin | Hamish McPherson, Norman Gilford, Tom Sampson | Dr. Graham | 3 | 3 |
| Robert Costanzo | Det. Lt. Greco, Freddie | Robaire | 2 | 1 |
| Conchata Ferrell | Harriet Lundgren | Frances | 1 | 1 |
| Dean Butler | Howard Griffin | Jason | 1 | 1 |
| Jonathan Brandis | Kevin Bryce | Paul | 1 | 1 |
| Randi Brooks | Lu Watters | Ginger | 1 | 1 |
| Ray Buktenica | Kyle Laughlin | Hank Sloan | 1 | 1 |
| Robin Thomas | Gerald Innsmouth | Geoffrey Wells | 1 | 1 |
| Greg Lewis | Phil Cashman, Shorty | The Bartender | 2 | 1 |
| Kim Johnston Ulrich | Andrea Cromwell, Julia Harris | Christine Morrison | 2 | 1 |
| Candice Azzara | Marilee Coleson | Fran Thomopolous | 1 | 3 |
| James Hampton | Jerry Blevins, Vet | Herb, The Officer | 2 | 2 |
| Richard Sanders | Arnold Megrim, Gerald Richards | Bob Wormser | 2 | 2 |
| Anne Gee Byrd | Widow | Nurse | 1 | 1 |
| Bibi Besch | Fiona Gambini, Imogene Shaughnessy | Hilary | 2 | 1 |
| Charles Frank | Alan Miller, Kyle Jordan | Clifford | 2 | 1 |
| Edward Winter | Baker Lawrence, Capt. Everett Larson, Edward Dunsany | Charlie | 3 | 1 |
| Jane Leeves | Gwen Petrie | Ms. Adams | 1 | 1 |
| Julian D. Christopher | FBI Agent Whitman | Thomas Retsin | 1 | 1 |
| Michelle Nicastro | Vanessa D'Argento | Lois Scranton | 1 | 1 |
| Paul Sand | Horace Lynchfield | Wally | 1 | 1 |
| Richard Stahl | Reverend Matthews | Mr. McKenna | 1 | 1 |
| Frances Bay | Sarah McCoy | Candy | 1 | 2 |
| Leslie Bevis | Andrea Nader | Cassandra | 2 | 1 |
| Brandon Maggart | Lt. Jackson | Coach | 1 | 1 |
| Ian Abercrombie | Dr. Blandings | Leo | 1 | 1 |
| John Hancock | Daniel | Dr. Jack Emerson | 1 | 1 |
| Liz Sheridan | Rose Tessler | Gertrude | 1 | 1 |
| Mary Tanner Bailey | Monica McCumber | Beth | 1 | 1 |
| Roberto Roman | Taki | The Punk | 1 | 1 |
| Ellen Crawford | Muriel | Professor Wallace | 1 | 1 |
| Freddie Dawson | Reporter #1 | Constructon Worker | 1 | 1 |
| Ivan Kane | Nero | Delivery Person | 1 | 1 |
| Lewis Dauber | Duke of Nonesuch | Rev. Markham | 1 | 1 |
| Mary Broussard | Student #1 | J.J. | 1 | 1 |
| Mary Pat Gleason | Reference Librarian | Diane | 1 | 1 |
| Mimi Cozzens | Jennie | Senator Mars | 1 | 1 |
| Paige Pengra | Lee McAdam | Student | 1 | 1 |
| William Utay | Agent Misch | Jim | 1 | 1 |
| Marji Martin | Aggie Colbert, Mirabelle | Marge | 2 | 1 |
| Al Ruscio | Santo Angelini | Joseph | 1 | 1 |
| Raymond Serra | Ben Eigers | Gus Stone | 1 | 1 |
| Richard Minchenberg | Irv Tripler | Waiter | 1 | 1 |
| Tom Troupe | Director | Father Marconi | 1 | 1 |
| Donna Ponterotto | Jamie | Theresa Rossini | 1 | 1 |
| Ray Reinhardt | General Avery Stark | Herb | 1 | 1 |
← Murder, She Wrote × Who's the Boss?
Cast data from TVmaze, licensed CC BY-SA 4.0.