Actors in both ER and Quantum Leap
159 actors have appeared in both ER and Quantum Leap, across 426 episodes. The most-credited is CCH Pounder, Dr. Angela Hicks in ER and Mama Harper in Quantum Leap.
| Actor | In ER | In Quantum Leap | Eps | Eps |
|---|---|---|---|---|
| CCH Pounder | Dr. Angela Hicks | Mama Harper | 24 | 1 |
| Kathleen Wilhoite | Chloe Lewis | Norma Jean Pilcher | 19 | 1 |
| Michael Beach | Al Boulet | Nathaniel Simpson | 19 | 1 |
| John Cullum | David Greene | John O'Malley | 15 | 1 |
| Liz Vassey | Liz | Barbara Whitmore, Paula Fletcher | 4 | 2 |
| Carolyn Seymour | Dr. Skoft | Zoey, Miss Stoltz | 1 | 4 |
| Meg Foster | Mrs. Hall | Laura Fuller | 1 | 3 |
| Mike Genovese | Officer Al Grabarsky | Don Geno Frascotti, Mr. Collins | 12 | 2 |
| Angelo Tiffe | Mr. Klingman, Tom Putnam | Carl Morgan | 2 | 1 |
| Anne Haney | Mrs. Packer | Cassy Thailer, Grace Beaumont | 1 | 2 |
| Fran Bennett | Michelle, Phyllis | Marie Billings, Ada Simpson | 2 | 4 |
| Liz Torres | Sarah Wilson | Angelita Carmen Guadalupe Cecelia Jimenez | 2 | 1 |
| Raphael Sbarge | Mr. Kirkendall | Will | 2 | 1 |
| Richard Herd | Dr. Murphy | Moe Stein | 1 | 2 |
| Robert Gossett | Dr. Everett Daniels | Charles Griffin | 2 | 1 |
| Valerie Mahaffey | Joi Abbott | Mary Greely | 4 | 1 |
| Amy Ryan | Sister Elizabeth | Libby McBain | 1 | 1 |
| Anna Gunn | Ikabo's Lawyer | Liz Lindhurst | 1 | 1 |
| Diane Delano | Stella Willis, Delores | Prostitute | 5 | 1 |
| Jennifer Rhodes | Mrs. Henry | Agnes Stevens | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.