All 178 actors in both Castle and Law & Order: Special Victims Unit
178 actors have appeared in both Castle and Law & Order: Special Victims Unit, across 768 episodes. The most-credited is Arye Gross, Dr. Sidney Perlmutter in Castle and Saul Picard in Law & Order: Special Victims Unit.
| Actor | In Castle | In Law & Order: Special Victims Unit | Eps | Eps |
|---|---|---|---|---|
| Arye Gross | Dr. Sidney Perlmutter | Saul Picard | 17 | 1 |
| Lance Reddick | Keith Kaufman | Dr. Taylor | 1 | 6 |
| Vincent Spano | Christopher Carlucci | FBI Special Agent Dean Porter | 1 | 5 |
| Adam Baldwin | Detective Ethan Slaughter | Captain Steven Harris | 2 | 3 |
| Dylan Walsh | FBI Agent Harris | John Conway, Malcolm Royce | 2 | 3 |
| Jason Beghe | Mike Royce | Sergeant Hank Voight | 2 | 3 |
| Michael Mosley | Jerry Tyson | Ronnie the Informant | 4 | 1 |
| Michael Trucco | Detective Tom Demming | Eric Lutz | 4 | 1 |
| George Newbern | Howard Peterson | Dr. Al Pollack | 1 | 3 |
| Bailey Chase | Will Sorenson | Lincoln Haver | 2 | 1 |
| Dana Delany | Special Agent Jordan Shaw | Carolyn Spencer | 2 | 1 |
| Jacqueline Torres | Nina Mendola | Gloria Guzmán, Nina Carson | 1 | 2 |
| James Brolin | Jackson Hunt | Colonel Richard Finley | 2 | 1 |
| Jordan Belfi | Beau Randolph | Spencer Lewis | 2 | 1 |
| Lola Glaudini | Marilyn Sutton | Lena Hess, Virginia Pell | 1 | 2 |
| Rick Gonzalez | Mickey Carlson | Alfonso Cardenas, Detective Bobby Reyes | 1 | 2 |
| Lee Tergesen | Marcus Gates | Billy Skags, Counselor Erik Garrison | 2 | 3 |
| Brett Cullen | Christian Dahl | Judge Leonard Andrews | 1 | 1 |
| Bruce Davison | D.A. Lou Karnacki | Dr. Graham Mandell | 1 | 1 |
| Ellen Woglom | Rachel Decker | Heather Hallander | 1 | 1 |
| Eric Ladin | Daniel Sullivan | Clayton Hannigan | 1 | 1 |
| Eric Lange | Simon Warburg | Bryce Kelton | 1 | 1 |
| Erik Palladino | Coach Rome | Detective Dave Deuthorn, Nate Carson | 1 | 3 |
| Gregory Harrison | Danny Valentine | Nathan Speer | 1 | 1 |
| José Zúñiga | Alfredo Quintana | Computer Forensics Technician | 1 | 3 |
| Reiko Aylesworth | Mia Lopez | Assistant D.A. Erica Alden | 1 | 3 |
| Sarah Drew | Chloe Richardson | Becca Rice | 1 | 1 |
| Yvonne Zima | Veronica | Jesse Sturgis | 1 | 1 |
| Fredric Lehne | Addison Smith | Clive Lynwood, Warden Jones | 1 | 2 |
| James Carpinello | Frank Henson | Joe Gilbert, Paul Greco | 1 | 2 |
| James Morrison | Commissioner Malone | Jim Rollins | 1 | 2 |
| Jamie McShane | Tony "The Butcher" Valtini | Jenna's Father, Pastor Mark Randall | 1 | 2 |
| Josh Stamberg | Martin Danberg | Judge Charles Gallagher | 2 | 1 |
| Ned Bellamy | Logan Meech | Investigator, Peter Carson | 1 | 2 |
| Raphael Sbarge | Dr. Darrell Meeks | Atty. Harold Timmons, Wayne Hankett | 1 | 2 |
| Rebecca Wisocky | Dr. Elena Sarkov | Dr. Paula Greenfield, Marcy Cochran | 1 | 2 |
| Mark Moses | Blake Wellesley | Attorney Jan Green, George Thanos, James Grall | 1 | 3 |
| Alon Aboutboul | Fariq Yusef | Louis Pappas | 2 | 1 |
| Bill Smitrovich | Ben Davidson | Liam Weller | 1 | 1 |
| Billy Lush | Finn McQueen | Karl Serrit | 1 | 1 |
| Cara Buono | Siobhan O'Doul | Rachel Zelinsky | 1 | 1 |
| Chris Coy | Zeke | Peter | 1 | 1 |
| David Marciano | Bill Garrett | Rick Purcell | 1 | 1 |
| Eden Malyn | Tina Tamino | April Baker, Zoe Greene | 1 | 2 |
| Gary Basaraba | Ralph Carbone | Defense Attorney William O'Boyle, George Burton | 1 | 2 |
| Jane Seymour | Gloria Chambers | Debra Connor | 1 | 1 |
| Jessica Camacho | Officer Marisa Aragon | Gloria Montero | 1 | 1 |
| Josh Randall | Miles Haxton | Justin Geld | 1 | 1 |
| Judy Reyes | Theresa Candela | Inez Rivera | 1 | 1 |
| Kelly Hu | Scarlet Jones | Kelly Sun | 1 | 1 |
| Linda Park | Chief Inspector Zhang | TARU Tech | 1 | 1 |
| Nazneen Contractor | Layla Nazif | Nahla Nasar | 1 | 1 |
| Patrick Fischler | Leo | Dr. Gene Brightman | 1 | 1 |
| Ray Abruzzo | Frank Russo | Gordon Vidal | 1 | 1 |
| Richard Burgi | Charlie Turner | Richard Morgan | 1 | 1 |
| Rob Estes | Julian Bruckner | Dan Hoffman | 1 | 1 |
| Tom Irwin | Simon Campbell | Jerry Bullard, Roger Briggs | 1 | 2 |
| Tony Plana | Father Aguello | Monsignor Menendez | 1 | 1 |
| Yancey Arias | Carl Villante | Denny Corea | 2 | 1 |
| Kevin Jiggetts | Uniformed Cop | Officer Green | 1 | 3 |
| Laura Kai Chen | Detective Miranda Daniels | Dr. Sanada, Ellen Kaplan | 1 | 3 |
| Jack McGee | Dale Fickas | Lieutenant Allen James | 1 | 2 |
| Anthony Mangano | Roman Valanciaga | Mancini, Officer Kubiak, Sergeant | 1 | 3 |
| Brad William Henke | Mark Heller | Cpt. Don Kubiak | 1 | 1 |
| Catherine Dent | Beth Tanner | Deborah Latrell | 1 | 1 |
| Chad Lindberg | Marco Vinstrolli | Eddie Cappilla | 1 | 1 |
| Christine Elise | Suzanne Rizzo | Carol Rogers | 1 | 1 |
| Darren Pettie | Trapper John | Joe Parker | 1 | 1 |
| David Eigenberg | Peter Connelly | Dr. Hal Brightman | 1 | 1 |
| Derek Phillips | Reggie Walsh | Ty Hackman | 1 | 1 |
| Erik Jensen | Professor Jason Byford | James Turner | 1 | 1 |
| Gail O'Grady | Margo Gower | Ruth Walker | 1 | 1 |
| Gregory Alan Williams | Jim Van-Eps | Detective Folkner | 1 | 1 |
| Jackie Debatin | Realtor | Sue Ann Daly | 1 | 1 |
| Jessica Tuck | Joy McHugh | Dr. Lillian Andrews | 1 | 1 |
| Julian Sands | Teddy Farrow | Barclay Pallister | 1 | 1 |
| Mark Rolston | Kurt Van Zant | Clint 'The Red Hand' O'Neill | 1 | 1 |
| Nick Chinlund | Evan Mitchell | Matt Brodus | 1 | 1 |
| Paul Ben-Victor | Dino Scarpella | Counselor Peter Abrams | 1 | 1 |
| Romy Rosemont | Nurse Lockhart | Kathleen Dobson | 1 | 1 |
| Sebastian Sozzi | Joey Montez | Sebastian Guzmán | 1 | 1 |
| Stacy Edwards | Jessica Banks | Meredith Rice | 1 | 1 |
| William Mapother | Carl Matthews | Officer Luke Edmunds | 1 | 1 |
| Brian Letscher | Liam Finch | Paramedic, Patrick McCorkle | 1 | 2 |
| Teri Polo | Kayla Baron | Cordelia Bauer, Dana Kelley | 1 | 2 |
| Tim Ransom | Max Renfro | Bartender, Logan Coldwell | 1 | 2 |
| Adam Kulbersh | Brian Shay | Ben Suarato | 1 | 3 |
| Alexis Cruz | Lyle Gomez | Father Daniel | 1 | 1 |
| Benito Martinez | FBI Special Agent Sam Walker | Santino Rojas | 1 | 1 |
| Brent Antonello | Luca Tessaro | Detective Jamie Whelan | 1 | 1 |
| Charles Shaughnessy | Nigel Wyndham | Martin Trenway | 1 | 1 |
| Chelsea Kurtz | Female Partner | Emma Dunn | 1 | 1 |
| Dave Shalansky | Tech #1 | Eddie Klein, Ethan Schmidt | 1 | 2 |
| David Gautreaux | Dr. Oliver Pressing | Judge Carpintero | 1 | 1 |
| Debi Mazar | Paula Haas | Peggy Bernardi | 1 | 1 |
| Gillian Alexy | Candice Mayfield | Danielle "Dani" Hynes | 1 | 1 |
| Jason Wiles | Damian Westlake | Alexander Gammon | 1 | 1 |
| Jennifer Hall | Rebecca Strong | Annette Fleming | 1 | 1 |
| John Getz | Dr. Gustavo Bauer | Admiral Vincent Albers | 1 | 1 |
| Jonathan Silverman | Alan Masters | Josh Galloway | 1 | 1 |
| Keir Dullea | Jonathan Tisdale | Judge Walt Thornburg | 1 | 1 |
| Kenny Johnson | Mr. Harden | Detective Sean Riggs | 1 | 1 |
| Laura Gardner | Patrice Tolbert | Maggie Lambert | 1 | 1 |
| Laura Regan | Rebecca Siegel | Denise Sandler | 1 | 1 |
| Michael Cassidy | Greg McClintock | Derek Simpson | 1 | 1 |
| Michael McGrady | Brian Reilly | Jim Hogan | 1 | 1 |
| Mitch Pileggi | Hans Brauer | Jack Hammond | 1 | 2 |
| Pamela Dunlap | Rose | Soccer Mom | 1 | 1 |
| Patrick Heusinger | Raymond Vance | Brady Harrison | 1 | 1 |
| Ryan Devlin | Steven Reed | Pastor Gregory Evans | 1 | 1 |
| Sophina Brown | Brooke Carver | Mrs. Williams | 1 | 1 |
| Tim Guinee | Andrew Haynes | George Zane | 1 | 1 |
| Wallace Langham | Dr. Van Holtzman | Tom Metcalf | 1 | 1 |
| William Atherton | Dr. Ari Weiss | Ned Bogden | 1 | 1 |
| Al Vicente | Norton Grimes | Father Albert | 1 | 1 |
| Andy Wagner | Lucas Shaw | Nate | 1 | 1 |
| Charles Malik Whitfield | Charles Wyler | John "Brass" Blanken | 1 | 1 |
| Chris Butler | Bob Foster | Sergeant Mullin | 1 | 1 |
| David Conrad | Frank Kelly | Officer West | 1 | 1 |
| Desmin Borges | Pablo Barnes | Luis Cordova | 1 | 1 |
| Glenn Morshower | Defense Secretary Michael Reed | Coach Bill Becker | 1 | 1 |
| Hannah Marks | Jordan Gibbs | Evie Barnes | 1 | 1 |
| Ian Nelson | Troy Kenworth | Eric Hendricks | 1 | 1 |
| Idara Victor | Patty | Iridia | 1 | 1 |
| James Madio | Eddie Maslon | Noel Panko | 1 | 1 |
| Jason Antoon | Steve Warner | B.J.'s Producer | 1 | 1 |
| Joe Coots | Morgan | Teammate #2 | 1 | 1 |
| Lobo Sebastian | Diego Gutierrez | Joaquin Menendez | 1 | 1 |
| Nicki Micheaux | Michelle | Cora Green | 1 | 1 |
| Romi Dias | ADA Toni Gonzalez | Tina Gardner | 1 | 1 |
| Nestor Serrano | Gregor Volkov | Franco Marquez, Sergeant Lloyd Andrews | 1 | 2 |
| Al Sapienza | Mr. Jones | ATF Supervisor | 1 | 1 |
| Bess Rous | Natalie Barnes | Camille Walters | 1 | 1 |
| Carlton Byrd | Sam | Zak | 1 | 1 |
| Colleen Foy | Lauren Goldberg | Sara Tandon | 1 | 1 |
| David Dean Bottrell | Byron H. Singer | Stan the Homeless Man | 1 | 1 |
| Joe O'Connor | Cal Townsend | Officer Denis O'Shea | 1 | 1 |
| John Hans Tester | Edward Peters | Sascha Thomas | 1 | 1 |
| Larry Joshua | Michael Carcano | Probation Officer Sowicki | 1 | 1 |
| Matt Burns | James 'Ollie' Oliver | Will Brady | 1 | 1 |
| Ramon Fernandez | Hector Nunez | Javier | 1 | 1 |
| Ray Wise | Bobby Fox | CEO Roger Hanley | 1 | 1 |
| Allison McAtee | Andrea Fisher | Paula Blake | 1 | 1 |
| Angela Oh | Anne Greene | Katherine Lee | 1 | 1 |
| Brian Maillard | Joel Mitas | Gil Tanner | 1 | 1 |
| Daniel Hugh Kelly | Evan Potter | Mark Dobbins | 1 | 1 |
| Ian Reed Kesler | Hugo Morrison | Jimmy G. | 1 | 1 |
| James Andrew Walsh | Desperate Man | Detective Manny D'Aquino | 1 | 1 |
| Jennifer Riker | Sue Vaughn | Renee Bassett | 1 | 1 |
| Kristin Carey | Sheila Bracken | Janet | 1 | 1 |
| Michael McKean | Victor Baron | Burt Sandow | 1 | 1 |
| Roberto Sanchez | Jiggy Michaels | Diego Diaz | 1 | 1 |
| Sal Viscuso | Tommy Valentino | Sal Avelino | 1 | 1 |
| Tommy Savas | Marcus Hiatt | Sanjeev | 1 | 1 |
| Bo Foxworth | Leonard Maloney | Ben Hadley Jr. | 1 | 1 |
| Brian Avers | Harrison Tisdale | George | 1 | 1 |
| Brian Scolaro | Dave Barton | Mitch Zniewski | 1 | 1 |
| Carter Roy | MC | Larry | 1 | 1 |
| Charlie Hofheimer | Eric Chambers | Jerry Dupree | 1 | 1 |
| Jason Manuel Olazábal | Detective Kurt Menendez | Sascha Hart | 1 | 1 |
| John Hemphill | Tom Walters | Dennis Maynard | 1 | 1 |
| Krystal Joy Brown | Sascha | Charisse McCabe | 1 | 1 |
| Patrick Cassidy | Clyde Belasco | Dr. Stewart Lynch | 1 | 1 |
| Jerry Kernion | Albert Bolland | Luis Ramos | 1 | 1 |
| John Littlefield | Joel Pratt | CPA Schreiber | 1 | 1 |
| Joseph Reegan | Shawn York | Joe Utley | 1 | 1 |
| Mark Nelson | Hot Shot | Robert Stevens | 1 | 1 |
| Vincent Guastaferro | Steve Fuller | Stan Bosick | 1 | 1 |
| Benny Nieves | Domingo Verdugo | Calos Riva | 1 | 1 |
| Chad E. Donella | Troy Strickland | Ronnie Watley | 1 | 1 |
| Ian Jarvis | Silver Fox | Urinal Man | 1 | 1 |
| Natacha Roi | Mrs. Franklin | Lindsay Haver | 1 | 1 |
| Nathaniel Marston | Grant Vyro | Brett Lorimer | 1 | 1 |
| Jack Dimich | Morris Hasberg | Alexei Belyakov | 1 | 1 |
| Kathleen M. Darcy | Dawn Craig | Jury Foreperson | 1 | 1 |
| Danny Downey | BMX Rider #1 | Jason | 1 | 1 |
| Marin Hinkle | Dr. Rebecca Ellins | Mrs. Whitlock | 1 | 1 |
| Andrew Elvis Miller | Jake Cunio | Butch McGee | 1 | 1 |
← Castle × Law & Order: Special Victims Unit
Cast data from TVmaze, licensed CC BY-SA 4.0.