Actors in both ER and Who's the Boss?
67 actors have appeared in both ER and Who's the Boss?, across 527 episodes. The most-credited is Ellen Crawford, Nurse Lydia Wright, Woodward in ER and Professor Wallace in Who's the Boss?.
| Actor | In ER | In Who's the Boss? | Eps | Eps |
|---|---|---|---|---|
| Ellen Crawford | Nurse Lydia Wright, Woodward | Professor Wallace | 114 | 1 |
| Scott Grimes | Dr. Archie Morris | Chad McCann | 26 | 1 |
| Tara Karsian | Liz Dade | Debbie | 7 | 1 |
| Billy Gallo | Captain Hutch | Al | 1 | 4 |
| Ralph P. Martin | Woody | Ernie | 1 | 4 |
| Christine Healy | Administrator Harriet Spooner | Jane | 3 | 1 |
| Conchata Ferrell | Mrs. Jenkins | Frances | 1 | 1 |
| Mark Costello | Kevin Halloran | Man in Steam Room #1 | 1 | 1 |
| Nancy Stafford | Alan's Mom | Trish Baldwin | 1 | 1 |
| Robert Costanzo | Pernicious Anemia Man | Robaire | 1 | 1 |
| John LaMotta | Ivan Gregor | Lido | 4 | 1 |
| Franklin Cover | Thurnhurst | Mr. Campbell, Mr. Kimball | 1 | 2 |
| Lawrence Mandley | Jackson, Maintenance Man | William | 2 | 1 |
| Naomi Serotoff | Grace | Rose Laudicina | 1 | 2 |
| Sam Scarber | Mr. Parnell, Willy Archibald | Parole Officer | 2 | 1 |
| Candice Azzara | Mrs. Roth | Fran Thomopolous | 1 | 3 |
| Anne Gee Byrd | Harper | Nurse | 1 | 1 |
| Armin Shimerman | Levine | Mr. Warner | 1 | 1 |
| Deborah Lacey | Det. Tincreed | Desiree | 1 | 1 |
| Dennis Burkley | Tom Perry | Pee Wee | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.