All 80 actors in both Castle and Drop Dead Diva
80 actors have appeared in both Castle and Drop Dead Diva, across 251 episodes. The most-credited is Gregory Alan Williams, Jim Van-Eps in Castle and Judge Warren Libby in Drop Dead Diva.
| Actor | In Castle | In Drop Dead Diva | Eps | Eps |
|---|---|---|---|---|
| Gregory Alan Williams | Jim Van-Eps | Judge Warren Libby | 1 | 17 |
| Jaime Ray Newman | Holly Franklin | Vanessa Hemmings | 1 | 10 |
| Adam J. Harrington | Brad Melville | Attorney Carlyle | 1 | 4 |
| Victor Webster | Josh Davidson | Gary Rice | 4 | 1 |
| Bruce Davison | D.A. Lou Karnacki | Judge Cyrus Maxwell | 1 | 3 |
| Dylan Walsh | FBI Agent Harris | Lawrence Brand | 2 | 1 |
| Alicia Coppola | Amber Patinelli | Dr. Dumont | 1 | 1 |
| Brianna Brown | Eva Whitfield | Hannah Baker | 1 | 1 |
| Currie Graham | Stanford Raynes | Simon Grundy | 1 | 1 |
| Gina Torres | Penelope Foster | Diana Hall | 1 | 1 |
| Gregory Harrison | Danny Valentine | Brandon Tharpe | 1 | 1 |
| Jeffrey Pierce | Wyatt Monroe | Ian Holt | 1 | 3 |
| Matt Letscher | Henry Jenkins | A.J. Fowler | 3 | 1 |
| Arnell Powell | Chris Jackson | D.A., Judge Powell | 1 | 4 |
| Lee Tergesen | Marcus Gates | Sid Penar | 2 | 1 |
| Alimi Ballard | Frank Jackson | Jack Dillingham | 1 | 1 |
| Anne Ramsay | Bree Busch | Mrs. Yeardley | 1 | 1 |
| Bre Blair | Toni Johnston | Angie | 1 | 1 |
| Christopher Cousins | Nolan Burns | Dr. Bradley Alton | 1 | 1 |
| John Billingsley | Dr. Harvey Larson | Mitch Fredericks | 1 | 1 |
| Josh Randall | Miles Haxton | Stuart Kane | 1 | 1 |
| Larry Poindexter | Det. McBride | Dr. Preminger | 1 | 1 |
| Patrick Fabian | Peter Monroe | Kevin Hanson | 1 | 1 |
| Reiko Aylesworth | Mia Lopez | June Fraizer | 1 | 1 |
| Scott Michael Campbell | Lee Travis | Mike Barry | 1 | 1 |
| Yancey Arias | Carl Villante | A.D.A. Montez | 2 | 1 |
| Brian Goodman | Gary McCallister | Sergeant Lou Contorsi | 2 | 1 |
| Wallace Langham | Dr. Van Holtzman | Lester Tuttle | 1 | 2 |
| Courtney Ford | Courtney Ford | Gwen Walsh | 1 | 1 |
| David Andrews | Carl Shelton | The Walters' lawyer | 1 | 1 |
| Erik Jensen | Professor Jason Byford | Mr. Trilling | 1 | 1 |
| Ever Carradine | Mirielle Lefcourt | Ramona | 1 | 1 |
| Gail O'Grady | Margo Gower | Mrs. Thomas | 1 | 1 |
| Jessica Tuck | Joy McHugh | Kathy Jenkins | 1 | 1 |
| John Allen Nelson | Walter Dennis | D.A. Callahan | 1 | 1 |
| Josie Loren | Bridget McManus | Nina | 1 | 1 |
| Kenneth Mitchell | Paul Whittaker | Rick Keller | 1 | 1 |
| Mark Moses | Blake Wellesley | Joe Dobkins | 1 | 1 |
| Michael Reilly Burke | Frank Nesbit | Steve Vaught | 1 | 1 |
| Paula Newsome | Debbie Parker | Wanda Williams | 1 | 1 |
| Raphael Sbarge | Dr. Darrell Meeks | Donny Gibson | 1 | 1 |
| Rebecca Field | Marilyn Kane | Lucy Tyner | 1 | 1 |
| Reed Diamond | Dr. Cameron Talbot | Chad Billmeyer | 1 | 1 |
| Romy Rosemont | Nurse Lockhart | Molly Haller | 1 | 1 |
| Scottie Thompson | Tildy McGuire | Jocelyn Harold | 1 | 1 |
| Seamus Dever | Detective Kevin Ryan | Tyler Mack | 1 | 1 |
| Teri Polo | Kayla Baron | Jillian Ford | 1 | 1 |
| Devon Gummersall | Matt Haley | Ethan | 1 | 2 |
| Mike Faiola | Paul Morton | Dave | 1 | 2 |
| Bess Armstrong | Paula Casillas | Rita Kaswell | 1 | 1 |
| Charlene Amoia | Ana Marie | Lonna Wycott | 1 | 1 |
| David Burke | Chief John Brady | Phillip Neely | 1 | 1 |
| David Gautreaux | Dr. Oliver Pressing | Walter Burr | 1 | 1 |
| Doug Savant | Trevor Nigel | Jakob Yordy | 1 | 1 |
| Heather McComb | Nicole Morris | Caitlin | 1 | 1 |
| Jack McGee | Dale Fickas | Warden Richard Steckler | 1 | 1 |
| James Patrick Stuart | Ethan Wright | Attorney Thurman | 1 | 1 |
| Jeff Hephner | Edmund Drake, Zalman Drake | Coach Jack | 1 | 1 |
| Jon Lindstrom | Agent Connors | Professor Sharf | 1 | 1 |
| Kim Johnston Ulrich | Lenanne Dagmar | Caitlin Andrews | 1 | 1 |
| Mark Famiglietti | Scott Weinberg | Calvin Evans | 1 | 1 |
| Onahoua Rodriguez | Marisol Cartagena | Allison Thomas | 1 | 1 |
| Al Vicente | Norton Grimes | Theo's Lawyer | 1 | 1 |
| Bellamy Young | Candace Ford | Emily Parcelles | 1 | 1 |
| Brennan Elliott | Jason Cosway | Todd Prentiss | 1 | 1 |
| Dean Cudworth | Michael Kirby | John McNamara | 1 | 1 |
| Jaleel White | Mickey Franks | Bob | 1 | 1 |
| Charlie Bodin | Julian Cutter | Stuart Cannon | 1 | 1 |
| Ray Wise | Bobby Fox | Frank Dodd | 1 | 1 |
| Cameron Mathison | Vince Bowers | Jonah Pierce | 1 | 1 |
| Corbin Bleu | Hunter | Michael Donaldson | 1 | 1 |
| Gil McKinney | Tyler Benton | Ben Logan | 1 | 1 |
| James Martin Kelly | Robert Decker | Elliott Rollins | 1 | 1 |
| Abigail Klein | Carrie | Donna Andrews | 1 | 1 |
| Heather Ann Davis | Ashley Robinson | Deena Jasper | 1 | 1 |
| Jason Mac | Michael | Scott Richards | 1 | 1 |
| Jon Briddell | Rich Weiss | Councilman Mark Phillips | 1 | 1 |
| Kari Coleman | Julia Hammond | Mrs. Tildon | 1 | 1 |
| Britt Rentschler | Elena Markov | Penny Hobbs | 1 | 1 |
| Mike Kalinowski | Patrick | Craig Prescott | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.