Actors in both Castle and Monk
160 actors have appeared in both Castle and Monk, across 297 episodes. The most-credited is Geoff Pierson, Mr. Smith in Castle and Harry Bolston in Monk.
| Actor | In Castle | In Monk | Eps | Eps |
|---|---|---|---|---|
| Geoff Pierson | Mr. Smith | Harry Bolston | 6 | 1 |
| Josh Stamberg | Martin Danberg | Agent Grooms | 2 | 2 |
| Dan Castellaneta | Judge Markway | Tiny Werner | 2 | 1 |
| Darby Stanchfield | Meredith | Erin Hammond | 2 | 1 |
| James Brolin | Jackson Hunt | Daniel Thorn | 2 | 1 |
| Ricardo Antonio Chavira | Congressman Alex Lopez | Jimmy Belmont | 1 | 2 |
| Alicia Coppola | Amber Patinelli | Michelle Rivas | 1 | 1 |
| Brett Cullen | Christian Dahl | James | 1 | 1 |
| Brianna Brown | Eva Whitfield | Joanne | 1 | 1 |
| Christina Vidal | Jamie Ruiz | Winona | 1 | 1 |
| Currie Graham | Stanford Raynes | Harold Maloney | 1 | 1 |
| Joelle Carter | Maggie Ingram | Barbara O'Keefe | 1 | 1 |
| Judith Scott | Evelyn Montgomery | Principal Franklin | 3 | 1 |
| Lola Glaudini | Marilyn Sutton | Ariana Dakkar | 1 | 1 |
| Molly Hagan | Daisy May | Ms. Lennington | 1 | 1 |
| Rosalind Chao | Mimi Tan | Arleen Cassidy | 1 | 1 |
| Tony Plana | Father Aguello | Captain Alameda | 1 | 1 |
| Wallace Langham | Dr. Van Holtzman | Steve DeWitt | 1 | 1 |
| D.B. Woodside | Lance Carlberg | Dr. Matthew Shuler | 1 | 2 |
| Amy Aquino | Janine Marks | Mrs. Bowen, Rhonda | 1 | 2 |
Cast data from TVmaze, licensed CC BY-SA 4.0.