Actors in both Glee and Grey's Anatomy
57 actors have appeared in both Glee and Grey's Anatomy, across 588 episodes. The most-credited is Loretta Devine, Sister Mary Constance in Glee and Adele Webber in Grey's Anatomy.
| Actor | In Glee | In Grey's Anatomy | Eps | Eps |
|---|---|---|---|---|
| Loretta Devine | Sister Mary Constance | Adele Webber | 1 | 23 |
| Sarah Drew | Suzy Pepper | Dr. April Kepner | 1 | 13 |
| Samantha Marie Ware | Jane Hayward | Katie Rogers | 11 | 7 |
| Vivian Nixon | Andrea | Hannah Brody | 1 | 17 |
| Romy Rosemont | Carole Hudson-Hummel | Lea Seibert | 16 | 1 |
| Demi Lovato | Danielle "Dani" | Hayley May | 4 | 1 |
| Debra Monk | Will's Mother | Louise O'Malley | 1 | 7 |
| James Earl | Azimio | Evan | 15 | 1 |
| Eric Roberts | Fundraiser Coordinator | Dr. Robert Avery | 1 | 2 |
| Valerie Mahaffey | Rose Pillsbury | Donna Kaufman | 3 | 1 |
| Skylar Astin | Jean-Baptiste | Todd Earnes | 1 | 4 |
| Amy Hill | Dr. Chin | Joanne | 1 | 1 |
| Jane Galloway Heitz | Lillian Adler | Annie's Mother | 1 | 1 |
| Michael Hyatt | Joan Martin | Mariann Davidson | 1 | 1 |
| Mark Sinacori | Teacher | Hospital Staffer | 1 | 2 |
| Dana Davis | Tesla | Gretchen | 1 | 1 |
| June Squibb | Maggie Banks | Dr. Elsie Clatch | 1 | 1 |
| Rick Worthy | Dr. Howard | Ray Pelletier | 1 | 1 |
| Gina Hecht | Mrs. Puckerman | Mrs. Sutton | 2 | 1 |
| Jacy King | Janet | Whitney Englander | 5 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.