Actors in both Castle and Grey's Anatomy
413 actors have appeared in both Castle and Grey's Anatomy, across 640 episodes. The most-credited is Jason George, Charles Kelvin in Castle and Dr. Ben Warren in Grey's Anatomy.
| Actor | In Castle | In Grey's Anatomy | Eps | Eps |
|---|---|---|---|---|
| Jason George | Charles Kelvin | Dr. Ben Warren | 1 | 90 |
| Maya Stojan | Tory Ellis | Tatiana Flauto | 26 | 1 |
| Tina Majorino | Reese Harmon | Dr. Heather Brooks | 1 | 22 |
| Samantha Sloyan | Pam | Dr. Penelope Blake | 1 | 19 |
| Arye Gross | Dr. Sidney Perlmutter | Adam Morris | 17 | 1 |
| Grace Rowe | Reporter #1 | Paramedic Grace | 1 | 17 |
| Justin Bruening | "Rocket" Rob Tredwyck | Matthew Taylor | 1 | 17 |
| Abigail Spencer | Sarah Reed / Lauren Branston | Dr. Megan Hunt | 1 | 15 |
| Kelly McCreary | Kelly Jane | Dr. Margaret "Maggie" Pierce | 1 | 13 |
| Sarah Drew | Chloe Richardson | Dr. April Kepner | 1 | 13 |
| Gloria Garayua | Kristina Curtis | Dr. Graciella Guzman | 1 | 24 |
| Sunkrish Bala | Vikram Singh | Steve Murphy | 9 | 1 |
| Rebecca Field | Marilyn Kane | Sabine McNeil | 1 | 7 |
| Joe Williamson | Charlie Green | Dr. Pierce Halley | 1 | 22 |
| Caterina Scorsone | Joanne Delgado | Dr. Amelia Shepherd | 1 | 6 |
| Joy Osmanski | Liz Bell | Intern Lucy | 1 | 11 |
| Mitch Pileggi | Hans Brauer | Larry Jennings | 1 | 9 |
| Sam Page | Brian Elliott | Sam Sutton | 1 | 4 |
| Hilarie Burton Morgan | Kay Cappuccio | Dr. Lauren Boswell | 1 | 3 |
| Jordan Belfi | Beau Randolph | Nick | 2 | 2 |
Cast data from TVmaze, licensed CC BY-SA 4.0.