All 170 actors in both Boston Legal and Castle
170 actors have appeared in both Boston Legal and Castle, across 274 episodes. The most-credited is Currie Graham, Assistant D.A. Frank Ginsberg in Boston Legal and Stanford Raynes in Castle.
| Actor | In Boston Legal | In Castle | Eps | Eps |
|---|---|---|---|---|
| Currie Graham | Assistant D.A. Frank Ginsberg | Stanford Raynes | 9 | 1 |
| Scott Paulin | U.S. Attorney Jonathan Shapiro | Jim Beckett | 1 | 7 |
| Gail O'Grady | Judge Gloria Weldon | Margo Gower | 7 | 1 |
| Jodi Lyn O'Keefe | Nora Jacobs | Kristina Coterra | 3 | 1 |
| Peter Onorati | Assistant D.A. Stewart Betts | Sal Malavolta | 3 | 1 |
| Ann Cusack | Dr. Donna Follette | Rita | 1 | 2 |
| Dana Delany | Samantha Fleming | Special Agent Jordan Shaw | 1 | 2 |
| Lorin McCraley | Dwanye Willis | West Side Wally | 1 | 2 |
| Jayne Brook | Rachel Lewiston | Claudia Peterson | 4 | 1 |
| Richard Portnow | Judge Peter Harding | Detective Milt Boyle | 4 | 1 |
| David Dean Bottrell | Lincoln Meyer | Byron H. Singer | 8 | 1 |
| Annie Wersching | Ellen Tanner | Dr. Kelly Nieman | 1 | 3 |
| Don McManus | Assistant D.A. John Lennox | Archie "The Savannah Hammer" Bronstein | 5 | 1 |
| Eric Lange | George Parkes | Simon Warburg | 1 | 1 |
| Ethan Phillips | Michael Schiller | Wallace Benner | 3 | 1 |
| Frances Fisher | Carrie Lansing | Matilda King | 1 | 1 |
| Gina Torres | Assistant D.A. Mary Franklin | Penelope Foster | 1 | 1 |
| Jonathan Adams | Officer Preston Holt | Vulcan Simmons | 1 | 3 |
| Matt Letscher | Assistant D.A. Adam Mercel | Henry Jenkins | 1 | 3 |
| Andy Umberger | Attorney Morrison | Johnny Rosen | 4 | 1 |
| Bess Armstrong | Penelope Kimball | Paula Casillas | 2 | 1 |
| Jesse D. Goins | Dr. Anyar Marks | Spencer's Lawyer | 2 | 1 |
| Thomas Kopache | Judge Dale Wallace | Abe Sandrich | 2 | 1 |
| Armin Shimerman | Judge Brian Hooper | Benjamin Donnelly | 7 | 1 |
| Billy Mayo | Detective Sean Wilkins | Senior Officer | 2 | 2 |
| Frank Birney | Judge WIlliam Howe | Father McCaskey | 3 | 1 |
| Nicole J. Butler | Clerk | Cassandra | 4 | 1 |
| Allan Louis | Ande Mkeba | Capt. Frank Mahoney | 2 | 1 |
| Amy Hill | Dr. Kathleen Rosewell | Alma | 1 | 1 |
| Anne-Marie Johnson | Vivian Stewart | Sondra Kramer | 1 | 1 |
| Bill Smitrovich | D.A. Jack Fitzhugh | Ben Davidson | 1 | 1 |
| Dakin Matthews | Judge Harvey Fletcher | David Dunne | 1 | 1 |
| Danielle Bisutti | Roberta Sloane | Claire Panchard | 1 | 1 |
| David Starzyk | Daniel Gellman | Lee Copley | 2 | 1 |
| Dean Norris | Byron Kaneb | Captain John Davis | 1 | 1 |
| Derek Webster | Dr. Giles Bromfield | Mayor Robert Weldon | 1 | 1 |
| Lisa Kaminir | D.A. Valerie Murrow | Captain Edmunds | 3 | 1 |
| Mark Moses | Assistant D.A. George McDougal | Blake Wellesley | 2 | 1 |
| Ned Bellamy | Harold Pines | Logan Meech | 1 | 1 |
| Nicole Bilderback | Secretary | Joy Harrison | 1 | 1 |
| Patrick Fabian | Stanley Gould | Peter Monroe | 1 | 1 |
| Ping Wu | Chinese Businessman #1 | Dr. Lee | 2 | 1 |
| Ray Abruzzo | John Sciarra | Frank Russo | 2 | 1 |
| Sam Anderson | Walter Fife | Principal Duncan | 1 | 1 |
| Scott Michael Campbell | Neil Cox | Lee Travis | 1 | 1 |
| Tom Amandes | Assistant Attorney General Jeremy Hollis | Aaron Stokes | 2 | 1 |
| Tom Virtue | Father Tulley | Judge Fitz | 1 | 1 |
| Allan Wasserman | Assistant D.A. Oliver Goldberg | Samuel Schuster | 2 | 1 |
| David Burke | D.A. Casey Mathias | Chief John Brady | 2 | 1 |
| Pamela Dunlap | Partner Adams | Rose | 2 | 1 |
| Paul Cassell | Dr. Frank Wessmer | Marcus Conway | 2 | 1 |
| Paul Schackman | Pepper Minkin, Stu Himelfarb | Barry | 2 | 1 |
| Ray Laska | Judge James Billmeyer | Dan Tonelli | 2 | 1 |
| Raymond Ma | Zhu Chang | Lucky Dragon Owner | 2 | 1 |
| Amy Aquino | Judge Phyllis Tamber | Janine Marks | 1 | 1 |
| Daniel Roebuck | Russell Blayney | Joe Silva | 1 | 1 |
| David Grant Wright | Mock Justice Stevens | Ben Moss | 1 | 1 |
| Gina Ravera | Dr. Amanda Gerard | Marsha Stoller | 1 | 1 |
| Gregory Alan Williams | John Zenawi | Jim Van-Eps | 1 | 1 |
| Jackie Debatin | Jenna Aesop | Realtor | 1 | 1 |
| Jessica Tuck | Sheila Zale | Joy McHugh | 1 | 1 |
| Jim O'Heir | Gil Furnald | Hal Rossi | 1 | 1 |
| John Kapelos | Detective Wayne Farley | Joe Pulgatti | 1 | 1 |
| Josh Braaten | Scott Warner | Kyle Jennings | 1 | 1 |
| Judith Moreland | Detective Ellen Adams | Sandy Jenkins | 1 | 1 |
| Kyle Secor | Dr. Robert Brooks | Deputy Director Anthony Freedman | 1 | 1 |
| Ray Proscia | Paul Schwimmer | Tom Gilliam | 1 | 1 |
| Robert Costanzo | Wayne Picker | Sal Tenor | 1 | 1 |
| Romy Rosemont | Stephanie Beller | Nurse Lockhart | 1 | 1 |
| Tony Denison | Kurt Loomis | Michael "Mickey" Dolan | 1 | 1 |
| Wes Craven | Wes Craven | Wes Craven | 1 | 1 |
| Dennis Cockrum | James Jacobs | Auctioneer | 2 | 1 |
| Laura Kai Chen | Mary | Detective Miranda Daniels | 2 | 1 |
| Adrian LaTourelle | Chris Mott | Rob Garrison | 1 | 1 |
| Corbin Bernsen | Eli Granger | Lance Buchanan | 1 | 1 |
| David Gautreaux | Assistant Attorney General Marshall Brickman | Dr. Oliver Pressing | 1 | 1 |
| Frederick Koehler | Jason Binder | Adam Pike | 1 | 1 |
| Jaleel White | Kevin Givens | Mickey Franks | 1 | 1 |
| James Eckhouse | Dr. Adam Carter | Gene Vogel | 1 | 1 |
| Jim Holmes | ICE Agent Daniel Foster | Dr. Ian Fuller | 1 | 1 |
| Karl T. Wright | Assistant D.A. George Martin, Doyle Chernack | Dr. Chuck Vaughn | 2 | 1 |
| Matt Winston | Ryan Chism | Evan Hinkle | 1 | 1 |
| Merrin Dungey | Sandy Zionts | Monica Finch | 1 | 1 |
| Michael Chieffo | Dr. Saul Robbins | Dr. Brock Martin | 1 | 1 |
| Mitch Pileggi | U.S. Attorney Mark Freestone | Hans Brauer | 1 | 1 |
| Patrick O'Connor | Irwin Middleman | Chris Markum | 1 | 1 |
| Phil Abrams | Lou Schneider | Roger | 1 | 1 |
| Stacy Edwards | D.A. Chelios | Jessica Banks | 1 | 1 |
| Sterling K. Brown | Zeke Borns | Ed Redley | 1 | 1 |
| Austin Highsmith Garces | Lara Kohn | Camille Roberts | 1 | 1 |
| Bruce Gray | Dr. Earl Roberts | Charles Carson | 1 | 1 |
| Carlos Gómez | Ernesto Herrera | Captain Fowler | 1 | 1 |
| Chris Butler | Officer Kent Stone | Bob Foster | 1 | 1 |
| Daniel Edward Mora | Julio Flores | Silas Mora | 1 | 1 |
| George Newbern | Dr. Allen Konigsberg | Howard Peterson | 1 | 1 |
| Grainger Hines | Jensen | Judge Jason Caldwell | 1 | 1 |
| Joey Honsa | Jenny Pratt | Sid's Wife | 1 | 1 |
| Keisuke Hoashi | Police Technician | Mr. Lee | 1 | 1 |
| Lily Knight | Helen Gershen | Gretchen Cutler | 1 | 1 |
| Lisa Waltz | Dorothy Scanlon | Laurie Horn | 1 | 1 |
| Matt Champagne | Bob Mathias | Andy Berman | 1 | 1 |
| Michael Bofshever | Charles Costello | Dr. Goldberg | 1 | 1 |
| Ned Vaughn | U.S.D.A. Rep Joel Beavis | Brett Zaretsky | 1 | 1 |
| P.J. Byrne | Matthew Steinkellner | Tony | 1 | 1 |
| Steven Eckholdt | Assistant D.A. Richard Kelton | Michael Case | 1 | 1 |
| T.J. Ramini | Benyam Kallah | Prince Khalid Hasheim | 1 | 1 |
| Pamela Shaddock | Marshall of the Court | Marcella | 2 | 1 |
| Aaron D. Spears | Terrence Maxwell | Ike Thornton | 1 | 1 |
| Brian Howe | Martin Monroe | Aaron Lerner | 1 | 1 |
| Bruno Campos | Assistant D.A. Mark Wills | Calvin Creason | 1 | 1 |
| Joe Guzaldo | Bert McAdams | Luca Sabalini | 1 | 1 |
| Joel Polis | Eric Yavitch | John Raglan | 1 | 1 |
| Joyce Guy | Riva Boitelle | Judge Kerry Fallbrook | 1 | 1 |
| Julie Claire | Kiersten Blau | Lisa Jenkins | 1 | 1 |
| Kevin Will | Officer Michael Bardo | Grant Gerber | 1 | 1 |
| Marco Antonio Martinez | Foreman | Eric Marx | 2 | 1 |
| Peter MacKenzie | Reid Harrington | Sgt. Roman | 1 | 1 |
| Rob Brownstein | Dr. Timothy Wood | Captain Ziering | 1 | 1 |
| Roz Witt | Justice Ruth Bader Ginsburg | Gladys | 2 | 1 |
| Susan Ruttan | Jeanie Biddle | Eleanor Pike | 1 | 1 |
| Theo Wilson | Foreman | News Anchor | 1 | 1 |
| Todd Waring | Daniel Ralston | Doug Ellers | 1 | 1 |
| Benjamin John Parrillo | Andrew Forbes | Coast Guard Lt. Mundy | 1 | 1 |
| Carole Gutierrez | Foreperson | Dr. Deb Lander | 1 | 1 |
| Christie Lynn Smith | Maureen Janely | Melanie Kopek | 1 | 1 |
| Christopher B. Duncan | Dr. Jeremy Marley | Marcus Weller | 1 | 1 |
| Clare Carey | Deena Rice | Noreen Hixton | 1 | 1 |
| Colby French | Sergeant First Class Taylor Jessel | NYPD Detective | 1 | 1 |
| Conor O'Farrell | Assistant D.A. Glenn Jackson | Ronald Armstrong | 1 | 1 |
| Daniel Hugh Kelly | William Brewster | Evan Potter | 1 | 1 |
| David Barrera | Officer Joe Garrett | Principal Joe Silva | 1 | 1 |
| David Bowe | Jeffrey Addario | Max Haverstock | 1 | 1 |
| Dean Cudworth | Detective Ian Peters | Michael Kirby | 1 | 1 |
| Glenn Taranto | Maitre D' | Douglas Lawson | 1 | 1 |
| Michael McKean | Dwight Biddle | Victor Baron | 1 | 1 |
| Nestor Serrano | Deputy Attorney General Ronald Lazarus | Gregor Volkov | 1 | 1 |
| Randy Oglesby | Walter Edmunds | Pastor Bob | 1 | 1 |
| Sean Blodgett | Reporter #1 | Avery Zussman | 1 | 1 |
| William Atherton | Assistant D.A. Howard Zale | Dr. Ari Weiss | 1 | 1 |
| Bellamy Young | Cynthia Nichols | Candace Ford | 1 | 1 |
| Cas Anvar | Dr. Paul Harris | Dr. Rampanel | 1 | 1 |
| Christine Scott Bennett | Woman | Karin | 1 | 1 |
| Gregg Daniel | Dr. Jason Marcini | Walt Shaw | 1 | 1 |
| Ken Lerner | Howard Bridge | NYPD Attorney | 1 | 1 |
| Michael Dempsey | Dominick Ryan | Frank Malloy | 1 | 1 |
| Anita Finlay | Helen Poole | Margo Falcigno | 1 | 1 |
| Annie Abbott | Justice Frances Oliver | Diane Nelson | 1 | 1 |
| David Weisenberg | Man in Suit | Lawyer | 1 | 1 |
| Eidan Hanzei | Dr. Lee | Lawyer | 1 | 1 |
| Gerald Downey | Joel Kohn | Lloyd Kurtzman | 1 | 1 |
| Kimberly Fox | Barista | Newscaster | 1 | 1 |
| Marques Johnson | Foreman | Clay Biggs | 1 | 1 |
| Scott Klace | Dr. Mitchell Levinson | Wallace Williger | 1 | 1 |
| Tim Snay | Grant Kennard | Dr. Abe Kogan | 1 | 1 |
| Adriana DeMeo | Julie | Bella Lombardo | 1 | 1 |
| Crystal Allen | Maddie Tyler | Ms. Pauline DeGarmo | 1 | 1 |
| Jen Kuhn | Mary Bradley | Leanna Darcy | 1 | 1 |
| Jim Turner | Father Joseph Martin | Janacek Spivey | 1 | 1 |
| Steven M. Gagnon | Detective Lowe | Colonel Fortis | 1 | 1 |
| Tina Morasco | Annette | Janet Warner | 1 | 1 |
| Tyrees Allen | Assistant Attorney General Doug Beecham | Harvey Milton | 1 | 1 |
| Van Epperson | Dr. Paul Rawlings | Postal Clerk | 1 | 1 |
| David A. Kimball | George Knott | Mr. Kendall | 1 | 1 |
| Shania Accius | Nurse | Candace Dyson | 1 | 1 |
| Ellen Bry | Shelby Morris | Mary Elizabeth Reed | 1 | 1 |
| Larry Clarke | Bill Morgan | Tony Muller | 1 | 1 |
| Matt Kaminsky | Mike Beckett | Evan Howard | 1 | 1 |
| Patricia Mizen | Bobbie | Client | 1 | 1 |
| Leandro Cano | Prisoner #1 | Bouncer | 1 | 1 |
| Matt Riedy | Dr. Duncan | Attorney | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.