Actors in both ER and This Is Us
94 actors have appeared in both ER and This Is Us, across 437 episodes. The most-credited is Conni Marie Brazelton, Nurse Connie Oligario in ER and Judge Theresa Shaw in This Is Us.
| Actor | In ER | In This Is Us | Eps | Eps |
|---|---|---|---|---|
| Conni Marie Brazelton | Nurse Connie Oligario | Judge Theresa Shaw | 113 | 1 |
| Kristin Minter | Randi Fronczak | Ms. Dobson | 70 | 1 |
| Yvonne Zima | Rachel Greene | Nicole | 22 | 1 |
| Omar Epps | Dr. Dennis Gant | Darnell Hodges | 10 | 3 |
| Peter Onorati | Officer Nick Napolitano | Stanley Pearson | 1 | 12 |
| Milana Vayntrub | Tatiana | Sloane Sandburg | 3 | 8 |
| Michael Angarano | Zack | Nicky Pearson | 1 | 6 |
| Sam Anderson | Dr. Jack Kayson | Judge Walter Crowder | 19 | 1 |
| Jami Gertz | Dr. Nina Pomerantz | Marin Rosenthal | 6 | 1 |
| Vien Hong | Young Banger | Hai Lang | 1 | 4 |
| Sumalee Montano | Duvata Mahal | Dr. Gail Jasper | 10 | 2 |
| Scott Michael Campbell | EMT Reilly Brown | Commanding Officer Sheehan | 7 | 2 |
| Garrett Morris | Edgar Luck | Lloyd | 1 | 3 |
| Judy Kain | Thomas | Barbara | 1 | 1 |
| Debra Jo Rupp | Mrs. Dibble | Linda | 1 | 4 |
| George Eads | Paramedic Greg Powell | Coach Stikes | 3 | 2 |
| Dan Lauria | Rick Simpson | Mr. Damon | 1 | 2 |
| Carl Lumbly | Dr. Graham Baker | Abe Clarke | 2 | 2 |
| Michael Ironside | Dr. William Swift | Mr. Pearson | 7 | 1 |
| Ryan Michelle Bathé | Miss Evelyn | Yvette | 1 | 3 |
Cast data from TVmaze, licensed CC BY-SA 4.0.