Actors in both Dallas and St. Elsewhere
86 actors have appeared in both Dallas and St. Elsewhere, across 493 episodes. The most-credited is Priscilla Pointer, Rebecca Wentworth in Dallas and Marie Halloran in St. Elsewhere.
| Actor | In Dallas | In St. Elsewhere | Eps | Eps |
|---|---|---|---|---|
| Priscilla Pointer | Rebecca Wentworth | Marie Halloran | 44 | 1 |
| George O. Petrie | Harv Smithfield | Joe Ewell | 38 | 2 |
| Ellen Bry | Jean Hallinan | Nurse Shirley Daniels | 3 | 20 |
| Stephen Elliott | Scotty Demarest | Manny Schecter | 12 | 8 |
| Keenan Wynn | Willard "Digger" Barnes | Charlie Heller | 10 | 1 |
| David Wayne | Willard "Digger" Barnes | Dr. George Wyler | 4 | 3 |
| David Ackroyd | Gary Ewing | Colonel Chuck Cochrane | 2 | 3 |
| Joshua Harris | Christopher Ewing | 6-Year-Old Donnie Westphall | 19 | 1 |
| Kate Mulgrew | Garnet McGee | Helen O'Casey | 1 | 2 |
| Sandy Ward | Jeb Ames | Russell | 5 | 1 |
| Gretchen Wyler | Dr. Dagmara Conrad | Joanne Jesmer | 8 | 3 |
| Ben Piazza | Walt Driscoll | Dr. Josiah Bartlett | 11 | 1 |
| Alice Hirson | Mavis Anderson | Anne Overland | 14 | 1 |
| John McIntire | Senator Sam Culver | Harry Cragen | 1 | 1 |
| Karen Austin | Dailey | Dr. Mary Woodley | 1 | 3 |
| Mary Armstrong | Louise | Mrs. Malin | 17 | 1 |
| Melody Anderson | Linda Farlow | Nurse Jill Roberts | 1 | 5 |
| Peter Horton | Wayne | Barry Dorn | 2 | 1 |
| Bill Morey | Leo Wakefield, Judge | George Reed | 8 | 1 |
| Richard Roat | Victor | Randall Sloan | 1 | 2 |
Cast data from TVmaze, licensed CC BY-SA 4.0.