Actors in both Castle and How to Get Away with Murder
120 actors have appeared in both Castle and How to Get Away with Murder, across 263 episodes. The most-credited is Arye Gross, Dr. Sidney Perlmutter in Castle and Connor's Lawyer in How to Get Away with Murder.
| Actor | In Castle | In How to Get Away with Murder | Eps | Eps |
|---|---|---|---|---|
| Arye Gross | Dr. Sidney Perlmutter | Connor's Lawyer | 17 | 1 |
| Benito Martinez | FBI Special Agent Sam Walker | Todd Denver | 1 | 16 |
| William R. Moses | Blake Wilder | Special Agent Lanford | 1 | 14 |
| Melinda Page Hamilton | Diana Harris | Special Agent Telesco | 1 | 7 |
| Jack Coleman | Senator William H. Bracken | Mr. Dean | 6 | 1 |
| Mercedes Mason | Marina Casillas | Cora Duncan | 1 | 3 |
| Gloria Garayua | Kristina Curtis | Detective Brianna Davis | 1 | 8 |
| Joseph C. Phillips | Mayor | Alvin Cox | 2 | 1 |
| Dameon Clarke | Scott Dunn | Detective Mumford | 2 | 6 |
| Denise Crosby | Dr. Marion Baker | Judge Chanha Singh | 1 | 1 |
| François Chau | Clifford Lee | Carl's Lawyer | 1 | 1 |
| Judith Scott | Evelyn Montgomery | Attorney Barham | 3 | 1 |
| Kathleen York | Kat Kingsley | Judge Martha Vitkay | 1 | 5 |
| Michael Hyatt | Mrs. Leslie Ruiz | Camila | 1 | 1 |
| Molly Hagan | Daisy May | A.D.A. Nancy Montoya | 1 | 1 |
| Cas Anvar | Dr. Rampanel | Robert Hsieh | 1 | 4 |
| Anne-Marie Johnson | Sondra Kramer | Kendra Strauss | 1 | 2 |
| Jamie McShane | Tony "The Butcher" Valtini | U.S. Attorney Lennox | 1 | 2 |
| Michelle Alegria | Reporter / News Anchor | Desk Anchor | 5 | 2 |
| José Zúñiga | Alfredo Quintana | Jorge Castillo | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.