Actors in both ER and The Practice
448 actors have appeared in both ER and The Practice, across 498 episodes. The most-credited is John Aylward, Dr. Donald Anspaugh in ER and Federal Judge Kendall Marcott, Chief District Court Judge W. Frankle, Judge in Rydell Hearing in The Practice.
| Actor | In ER | In The Practice | Eps | Eps |
|---|---|---|---|---|
| John Aylward | Dr. Donald Anspaugh | Federal Judge Kendall Marcott, Chief District Court Judge W. Frankle, Judge in Rydell Hearing | 74 | 4 |
| Troy Evans | Frank Martin | Fred Lowry | 129 | 1 |
| Paul McCrane | Dr. Robert Romano | Martin Parks | 30 | 2 |
| Holland Taylor | Phyllis Farr | Judge Roberta Kittleson | 1 | 29 |
| CCH Pounder | Dr. Angela Hicks | Helene Washington | 24 | 2 |
| Sam Jones III | Dr. Charles "Chaz" Pratt, Jr. | Troy Ezekiel | 16 | 1 |
| Donal Logue | Flight Nurse Chuck Martin | A.D.A. Dickie Flood | 11 | 5 |
| Herb Mitchell | Priest | Judge Rodney White | 1 | 12 |
| Paul Dooley | Henry Lewis | Judge Philip Swackheim | 4 | 8 |
| Anna Gunn | Ikabo's Lawyer | A.D.A. Jean Ward | 1 | 10 |
| Debra Mooney | Leila Morgan, Barbara Feingold | Judge P. Spindle | 3 | 7 |
| Amy Aquino | Dr. Janet Coburn | Judge Louise Moreno | 26 | 1 |
| Clancy Brown | Dr. Ellis West | D.A. Justin Fox | 7 | 2 |
| Paula Malcomson | Meg Riley | Suzie Greene | 8 | 1 |
| Matthew Settle | Brian Westlake | Russell Bakey | 5 | 3 |
| Susan Blommaert | Sarah McKenzie | Judge Rudy Fox | 1 | 7 |
| Mik Scriba | James' Father | Detective Frank Simons | 1 | 6 |
| Albert Hall | James Anderson | Judge Seymore Walsh | 1 | 5 |
| Arye Gross | Kevin | Rabbi Daniel Warner, Attorney John Franklin | 1 | 5 |
| Michael Monks | Mr. Vennerbeck | George Vogelman | 1 | 11 |
Cast data from TVmaze, licensed CC BY-SA 4.0.