Actors in both ER and Seinfeld
287 actors have appeared in both ER and Seinfeld, across 511 episodes. The most-credited is Lyn Alicia Henderson, Paramedic Pamela Olbes in ER and Clerk in Seinfeld.
| Actor | In ER | In Seinfeld | Eps | Eps |
|---|---|---|---|---|
| Lyn Alicia Henderson | Paramedic Pamela Olbes | Clerk | 149 | 1 |
| Estelle Harris | Mrs. Markovic | Estelle Constanza | 1 | 29 |
| Heidi Swedberg | Robin Turner | Susan Ross | 2 | 27 |
| Len Lesser | Woody Ebbots | Uncle Leo | 1 | 14 |
| Gedde Watanabe | Nurse Yosh Takata | Mr. Oh | 58 | 1 |
| Richard Herd | Dr. Murphy | Wilhelm | 1 | 12 |
| Richard Fancy | Mr. Thomas | Mr. Lippman, Mr. Breckman | 1 | 10 |
| Michelle C. Bonilla | Paramedic Christine Harms | Waitress | 58 | 1 |
| Jami Gertz | Dr. Nina Pomerantz | Jane | 6 | 1 |
| Mariska Hargitay | Cynthia Hooper | Melissa | 13 | 1 |
| Vanessa Marquez | Nurse Wendy Goldman | Receptionist | 27 | 1 |
| Lauren Bowles | Hannah | Waitress, Blonde Longhaired Woman, Waitress #1 | 1 | 9 |
| Ping Wu | Mr. Cheung | Ping | 1 | 4 |
| Veralyn Jones | Agent Vickery, Mrs. Powell | Renee | 2 | 3 |
| Victor Raider-Wexler | Vascular Doctor | Doctor | 1 | 4 |
| Debra Mooney | Leila Morgan, Barbara Feingold | Mrs. Sweedler | 3 | 1 |
| Perry Anzilotti | Dr. Perry (Anesthesiologist), Ed | Usher | 22 | 1 |
| Andrea Parker | Linda Farrell | Nurse | 10 | 1 |
| Scott Jaeck | Dr. Steven Flint | Officer Vogel | 12 | 2 |
| David Brisbin | Dr. Alexander Babcock | Client | 19 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.