Actors in both Buffy the Vampire Slayer and ER
147 actors have appeared in both Buffy the Vampire Slayer and ER, across 475 episodes. The most-credited is Abraham Benrubi, Olaf the Troll in Buffy the Vampire Slayer and Jerry Markovic in ER.
| Actor | In Buffy the Vampire Slayer | In ER | Eps | Eps |
|---|---|---|---|---|
| Abraham Benrubi | Olaf the Troll | Jerry Markovic | 2 | 137 |
| Armin Shimerman | Principal Snyder | Levine | 19 | 1 |
| Iyari Limon | Kennedy | Brenda | 13 | 1 |
| Leonard Roberts | Forrest Gates | Police Officer | 12 | 1 |
| Ken Lerner | Principal Flutie | Harry Stopak, Stan Seidel | 4 | 2 |
| Eion Bailey | Kyle | Med Student Jake Scanlon | 1 | 10 |
| Lindsay Crouse | Maggie Walsh | Dr. Anna Castiglioni | 9 | 1 |
| Stuart McLean | Philip Henry | X-Ray Tech, Mike Devore | 1 | 12 |
| Shane West | Sean | Dr. Ray Barnett | 1 | 3 |
| David Brisbin | Mr. Anderson | Dr. Alexander Babcock | 1 | 19 |
| Andrew J. Ferchland | The Anointed One | Ozzie Sheff | 6 | 1 |
| Andy Umberger | D'Hoffryn | Dr. David Harvey | 4 | 2 |
| Larry Bagby | Larry Blaisdell | Second Reporter | 6 | 1 |
| Geoff Meed | Mag, Andrew Borba | Bart, Gary Parnell | 3 | 2 |
| Jeff Kober | Rack, Zachary Kralik | Stuart | 4 | 1 |
| Skip Stellrecht | Agent Manetti | Chaplain Miller | 1 | 4 |
| Chad Lindberg | Dave | Jad Houston | 1 | 2 |
| Dagney Kerr | Kathy Newman | Hedda Lanford | 2 | 1 |
| Franc Ross | Razor | Naughton | 2 | 1 |
| Todd Duffey | Murk | Mitch | 6 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.