All 87 actors in both Brothers & Sisters and Castle
87 actors have appeared in both Brothers & Sisters and Castle, across 282 episodes. The most-credited is Gilles Marini, Luc Laurent in Brothers & Sisters and Tobias Strange in Castle.
| Actor | In Brothers & Sisters | In Castle | Eps | Eps |
|---|---|---|---|---|
| Gilles Marini | Luc Laurent | Tobias Strange | 13 | 1 |
| Sunkrish Bala | Lewis | Vikram Singh | 1 | 9 |
| Ryan Devlin | Seth Whitley | Steven Reed | 6 | 1 |
| John Pyper-Ferguson | Joe Whedon | Dean Donegal | 4 | 1 |
| Emil Beheshti | Staffer | Dean Seahorn | 3 | 1 |
| Matt Letscher | Alec Tyler | Henry Jenkins | 5 | 3 |
| Mitch Pileggi | Browne Carter | Hans Brauer | 3 | 1 |
| Ann Cusack | Jamie | Rita | 1 | 2 |
| David Burke | Jack Bishop | Chief John Brady | 8 | 1 |
| Michael Hyatt | Dr. Katherine Cortez | Mrs. Leslie Ruiz | 2 | 1 |
| Amy Aquino | Dr. Joan Avadon | Janine Marks | 4 | 1 |
| Paul Cassell | Gary Morris | Marcus Conway | 6 | 1 |
| Cara Buono | Rose | Siobhan O'Doul | 3 | 1 |
| David Clayton Rogers | Jon Lewis | Viggo Jansen | 1 | 1 |
| Jayne Brook | Bertha Wandell | Claudia Peterson | 3 | 1 |
| Sarah Jane Morris | Julia Ridge Walker | Leslie Morgan Thomas | 1 | 1 |
| Stefan Marks | Photographer | Archibald Fosse | 1 | 1 |
| Tymberlee Hill | Vanessa | Julie Taylor | 3 | 1 |
| Josh Stamberg | Cliff | Martin Danberg | 1 | 2 |
| Bill Smitrovich | Ben Ridge | Ben Davidson | 1 | 1 |
| Bre Blair | Ms. Nadine | Toni Johnston | 1 | 1 |
| Caroline Lagerfelt | Jane | Angelica Henley | 1 | 1 |
| David Andrews | George Lafferty | Carl Shelton | 2 | 1 |
| Jim Gleason | Walter Geary | Dr. Barry Frank | 2 | 1 |
| Marin Hinkle | Courtney McCallister | Dr. Rebecca Ellins | 3 | 1 |
| Ned Bellamy | Cutler Weeks | Logan Meech | 1 | 1 |
| Patrick St. Esprit | Bill Stanton | Special Agent Emmett Forrest | 2 | 1 |
| Rick Worthy | 2nd Lt. Collins | Jason Penn | 1 | 1 |
| Romy Rosemont | The Counselor | Nurse Lockhart | 2 | 1 |
| Scott Michael Campbell | Young Dennis York | Lee Travis | 1 | 1 |
| Tom Virtue | Dr. Bob Feldman | Judge Fitz | 1 | 1 |
| Andrea Grano | Leanne Mitchell | Mrs. Stan Banks | 1 | 1 |
| Benjamin Ciaramello | Anthony Lewis | Vin | 1 | 1 |
| Corey Mendell Parker | Adam | Reggie Dyson | 1 | 1 |
| Darren Pettie | Daniel Cole | Trapper John | 1 | 1 |
| Frank Gallegos | Pablo | Keith Lopez | 1 | 1 |
| Judith Moreland | Dr. Kate Allenby | Sandy Jenkins | 1 | 1 |
| Karl T. Wright | Alan Simms | Dr. Chuck Vaughn | 1 | 1 |
| Kathe Mazur | Ann Waterman | Anya Mishkin | 1 | 1 |
| Lyle Lovett | Lyle Lovett | Agent Westfield | 1 | 1 |
| Maura Soden | Dr. Barbara Riley | Mrs. Faris | 2 | 1 |
| Adam Pilver | Messenger | Manager | 1 | 1 |
| Adrian Quiñonez | Shot Stud | Paul Vail | 1 | 1 |
| Bruno Oliver | Lab Technician | Tracy's Boss | 1 | 1 |
| Carole Gutierrez | B&B Owner | Dr. Deb Lander | 1 | 1 |
| Hilary Ward | Theater Patron #2 | Bella | 1 | 1 |
| Jeanette Brox | Claire Feller | Ayyana Holder | 1 | 1 |
| Malcolm Foster Smith | Police Officer | Officer Haskell | 1 | 1 |
| Pamela Dunlap | Patricia Bower | Rose | 1 | 1 |
| Pamela Shaddock | Board Member | Marcella | 2 | 1 |
| Phil Abrams | Harold Wallace | Roger | 1 | 1 |
| Sonya Leslie | Private 1st Class Mandeville | Valerie Thompson | 1 | 1 |
| Sophina Brown | Bitsy Fairbank | Brooke Carver | 1 | 1 |
| Thomas Kopache | Berkeley Goldschmidt | Abe Sandrich | 1 | 1 |
| Tim Ransom | Human Resources Guy | Max Renfro | 1 | 1 |
| Tyrees Allen | Dr. John Massey | Harvey Milton | 1 | 1 |
| Anita Finlay | Judge Marsha Forrest | Margo Falcigno | 1 | 1 |
| Chase Kim | Waiter | FBI Specialist | 1 | 1 |
| Elena Campbell-Martinez | Housekeeper | Mama | 1 | 1 |
| Jeanette O'Connor | Shirley | Dorothy McCabe | 1 | 1 |
| Juan Carlos Cantu | Diner's Owner | Luis Delgado | 1 | 1 |
| Kevin Daniels | Sam | Reggie Blake | 1 | 1 |
| Ned Vaughn | Michael Gradstein | Brett Zaretsky | 1 | 1 |
| Nicki Micheaux | Michele Yearwood | Michelle | 1 | 1 |
| Susan Grace | Nurse Andrea Osborn | Carla | 1 | 1 |
| Dominic Flores | Chuck | Manager | 1 | 1 |
| Jesse Henecke | Chris Ward | Mr. Graham | 1 | 1 |
| Joe O'Connor | Harvey Childs | Cal Townsend | 1 | 1 |
| Michanne Quinney | Secretary | Trainee | 1 | 1 |
| Robert Maffia | Policeman | Lawyer | 1 | 1 |
| Rose Abdoo | Miss Clara | Dr. Cynthia Swann | 1 | 1 |
| Christine Lucas | Nurse | Denise McKay | 1 | 1 |
| Kendall Clement | Supervisor | Judge | 1 | 1 |
| Ramón de Ocampo | Spencer Travis | Owen Peterson | 1 | 1 |
| Sarah Lilly | D.A. | Luella McManus | 1 | 1 |
| Benjamin Patterson | Masseur | Paramedic | 1 | 1 |
| Clint Carmichael | Ken Baker | Brad Washington | 1 | 1 |
| Jesse D. Goins | Andrew Karas | Spencer's Lawyer | 1 | 1 |
| Jim Turner | Interviewer | Janacek Spivey | 1 | 1 |
| Michael Edwin | McCallister Employee #1 | Night Desk Clerk | 1 | 1 |
| Scott Klace | Kent Barnes | Wallace Williger | 1 | 1 |
| Jamie Martz | Dan | Male EMT | 1 | 1 |
| Roz Witt | Attendant | Gladys | 1 | 1 |
| Michael Dempsey | Ed | Frank Malloy | 1 | 1 |
| Ingrid Walters | Leah | Publicist | 1 | 1 |
| Kathleen M. Darcy | Loan Officer | Dawn Craig | 1 | 1 |
| Cantrell Harris | Michael | Officer Ellroy | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.