Actors in both ER and Without a Trace
238 actors have appeared in both ER and Without a Trace, across 491 episodes. The most-credited is Troy Evans, Frank Martin in ER and Plesac in Without a Trace.
| Actor | In ER | In Without a Trace | Eps | Eps |
|---|---|---|---|---|
| Troy Evans | Frank Martin | Plesac | 129 | 1 |
| Emily Rose | Dr. Tracy Martin | Anya Simonson | 11 | 1 |
| Kat Dennings | Zoe Butler | Jennifer Norton | 5 | 1 |
| Eion Bailey | Med Student Jake Scanlon | Christopher Mayes | 10 | 1 |
| Daniel Dae Kim | Ken Sung | Mark Hiroshi | 4 | 1 |
| Sam Anderson | Dr. Jack Kayson | Congressman Whitehurst | 19 | 1 |
| Stephanie Venditto | Diana Rushing | Dr. Lisa Harris | 1 | 3 |
| Mark Pellegrino | Nathan Conley | Sadik Marku | 1 | 2 |
| Maury Sterling | Dr. Nelson | Glenn Remick | 5 | 1 |
| Megan Gallagher | Kathy Snyder | Mrs. Freedman | 2 | 1 |
| Ray Baker | Durant | Victor Fitzgerald | 1 | 2 |
| Conor O'Farrell | Richard Abbott | Graham Spaulding | 2 | 3 |
| Allison Mackie | Clair Wilkes | Kate Metcalf | 1 | 1 |
| David Hewlett | Mr. Schudy | Fred Watkins | 1 | 1 |
| Freda Foh Shen | Audiologist | Irene Taft | 3 | 1 |
| Hayley McFarland | Candice | Addy Gilroy | 1 | 1 |
| J.K. Simmons | Gus Loomer | Mark Wilson | 1 | 1 |
| Michael Cudlitz | Lang | Mark Casey | 1 | 1 |
| Michael O'Neill | Col. Ken Kilner | Thomas Shannon | 1 | 1 |
| Michelle Wolff | Firefighter Rillo | NYPD Officer | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.