Actors in both ER and S.W.A.T.
161 actors have appeared in both ER and S.W.A.T., across 494 episodes. The most-credited is Lyn Alicia Henderson, Paramedic Pamela Olbes in ER and Drea in S.W.A.T..
| Actor | In ER | In S.W.A.T. | Eps | Eps |
|---|---|---|---|---|
| Lyn Alicia Henderson | Paramedic Pamela Olbes | Drea | 149 | 1 |
| Michael Beach | Al Boulet | Leroy Henderson | 19 | 14 |
| Rochelle Aytes | Tamara | Nichelle Carmichael | 1 | 20 |
| Patrick St. Esprit | Mr. Thorpe | Commander Robert Hicks | 1 | 16 |
| Louis Ferreira | Michael Mueller | William "Buck" Spivey | 1 | 9 |
| David Gautreaux | Scruffy | Edward Yannick, PBA Lawyer Younce | 1 | 7 |
| Peter Onorati | Officer Nick Napolitano | Jeff Mumford | 1 | 6 |
| Amy Farrington | Sandy Mader | Lieutenant Piper Lynch | 1 | 5 |
| Malaya Rivera Drew | Katie Alvaro | Trisha Hayes | 11 | 1 |
| Merrin Dungey | Daphina | Deputy Chief Bennett | 1 | 5 |
| Emerson Brooks | Gonzalez | Deputy Alex Doberstein | 1 | 4 |
| Stacey Travis | Detective Weller | Nikki | 2 | 3 |
| Sumalee Montano | Duvata Mahal | Gwen Miller | 10 | 3 |
| Cory Hardrict | Curtis, Lil 'Toine | Nate Warren | 2 | 4 |
| Rif Hutton | Mr. Royston | Ernie Gamble | 1 | 2 |
| April Parker Jones | Joyce | Winnie Harrelson | 1 | 4 |
| Lombardo Boyar | Morris Campbell | Detective Rios | 1 | 4 |
| Michael O'Neill | Col. Ken Kilner | Carl Luca | 1 | 4 |
| Michael B. Silver | Dr. Paul Myers | Vince Jones | 12 | 1 |
| Terri Hoyos | Mrs. Corvalan | Mama Pina | 1 | 3 |
Cast data from TVmaze, licensed CC BY-SA 4.0.