Actors in both ER and The Office
52 actors have appeared in both ER and The Office, across 533 episodes. The most-credited is Amy Ryan, Sister Elizabeth in ER and Holly Flax in The Office.
| Actor | In ER | In The Office | Eps | Eps |
|---|---|---|---|---|
| Amy Ryan | Sister Elizabeth | Holly Flax | 1 | 14 |
| David Denman | Jeremy Willis / "Angel" | Roy Anderson | 1 | 13 |
| Charles Esten | Dr. Barry Grossman | Josh Porter | 4 | 8 |
| Amy Pietz | Loren | Donna | 1 | 5 |
| Maura Tierney | Dr. Abby Lockhart | Mrs. California | 2 | 1 |
| Rick Overton | Mr. McNamara | Mr. Beesly | 1 | 4 |
| Michael Patrick McGill | Detective Ed Bernstein, Security #1, Officer Jeffries | Kenny Anderson | 6 | 3 |
| Lisa K. Wyatt | Transpo Tech | Lynn | 1 | 3 |
| Randall Park | Yong-Jo Pak | Asian Jim Halpert | 1 | 1 |
| Tom Chick | Weissbroot | Gil | 1 | 5 |
| Nick D'Agosto | Andy | Hunter | 2 | 3 |
| Ed Lauter | Fire Captain Dannaker | Sam Stone, Sr. | 6 | 1 |
| Jackie Debatin | Judy | Elizabeth the Stripper | 1 | 3 |
| Drew Powell | Dennis Voltaire | The Bartender | 1 | 1 |
| Edward James Gage | Orderly | Larry Meyers | 1 | 1 |
| Kwame Boateng | James Dixon | Derrick | 1 | 1 |
| Michael Weston | Rafe Hendricks | Roger | 2 | 1 |
| Phil Abrams | Rodney | Shelby Thomas Weems | 1 | 1 |
| Valeri Ross | McGillis | Stenographer | 4 | 1 |
| Wayne Wilderson | Dr. Claypool | Martin | 1 | 2 |
Cast data from TVmaze, licensed CC BY-SA 4.0.