All 180 actors in both Castle and House
180 actors have appeared in both Castle and House, across 349 episodes. The most-credited is Anne Dudek, Emma Carnes in Castle and Dr. Amber Volakis in House.
| Actor | In Castle | In House | Eps | Eps |
|---|---|---|---|---|
| Anne Dudek | Emma Carnes | Dr. Amber Volakis | 1 | 19 |
| Scott Paulin | Jim Beckett | Bob | 7 | 1 |
| Jack Coleman | Senator William H. Bracken | Joe Dugan | 6 | 1 |
| Currie Graham | Stanford Raynes | Mark Warner | 1 | 4 |
| Danny Nucci | Gilbert Mazzara, Lance | Bill Arnello | 3 | 1 |
| Liz Benoit | Assistant | Nurse Anne, Nurse #2, Surgical Nurse | 1 | 12 |
| Christina Vidal | Jamie Ruiz | Sandy | 1 | 2 |
| Lee Tergesen | Marcus Gates | Roy Randall | 2 | 1 |
| Scott Michael Campbell | Lee Travis | Joe | 1 | 2 |
| Vernée Watson | Mercy LaGrande | Nurse Smits | 1 | 2 |
| Kristoffer Polaha | Caleb Brown | Jeff | 4 | 1 |
| Brennan Elliott | Jason Cosway | Adam | 1 | 1 |
| Christine Woods | Leann West | Lou | 1 | 1 |
| David DeSantos | George Reyes | ER Doctor | 1 | 1 |
| David Wells | Professor Edgar McDonald | Dr. Cate Milton | 1 | 1 |
| Erin Cahill | Cecily Burkett | Margaret McPherson | 1 | 1 |
| Jamie McShane | Tony "The Butcher" Valtini | Captain McCreavey | 1 | 1 |
| John Kapelos | Joe Pulgatti | Dr. Kurtz | 1 | 1 |
| Judith Scott | Evelyn Montgomery | Dana Miller | 3 | 1 |
| Leslie Hope | Gwenn Harwin | Victoria Madsen | 1 | 1 |
| Rachel Melvin | Nicole Hixton | Winn Phillips | 1 | 1 |
| Robert Pine | Gerry Finnegan | Drew's Grandfather | 1 | 1 |
| Robin Thomas | Alan Freeman | Dan's Father | 1 | 1 |
| Salli Richardson-Whitfield | U.S. Attorney Elizabeth Weston | Sharon | 1 | 1 |
| Stacy Edwards | Jessica Banks | Lucy Palmeiro | 1 | 1 |
| Tamara Braun | Natalia Roosevelt | Grace | 1 | 1 |
| Josh Stamberg | Martin Danberg | Bobby Herrick | 2 | 1 |
| Adrian LaTourelle | Rob Garrison | Bert Vesky | 1 | 1 |
| Alex Skuby | Charlie DePetro | John Funsten | 1 | 1 |
| Alexandra Barreto | Annie Swift | Cheryl | 1 | 1 |
| Alexie Gilmore | Anita Miller | Ainsley Barton | 1 | 1 |
| Anne Ramsay | Bree Busch | Emma | 1 | 1 |
| Anthony Starke | Gary Moore | Roger | 1 | 1 |
| Brad Carter | Bobby Spurloch | Sheldon | 1 | 1 |
| Carmen Argenziano | Mario Rivera | Henry Dobson | 1 | 3 |
| Caroline Lagerfelt | Angelica Henley | Connie | 1 | 1 |
| Chris L. McKenna | Simon Westport | Simon Lawson | 1 | 1 |
| Christopher Cousins | Nolan Burns | Doug | 1 | 1 |
| D.B. Sweeney | Detective Kyle Seeger | Crandall | 1 | 1 |
| Dahlia Salem | Tory Westchester | Max | 1 | 1 |
| Dakin Matthews | David Dunne | Marvin | 1 | 1 |
| David Bowe | Max Haverstock | Doug | 1 | 1 |
| David Marciano | Bill Garrett | Murphy | 1 | 1 |
| Eddie McClintock | Rogan O'Leary | Coach | 1 | 1 |
| Ever Carradine | Mirielle Lefcourt | Karen Hartig | 1 | 1 |
| Gonzalo Menendez | Ronaldo | Stuart | 1 | 1 |
| Jason George | Charles Kelvin | Brock Hoyt | 1 | 1 |
| Jim Hoffmaster | Clerk | Surgeon | 1 | 1 |
| José Zúñiga | Alfredo Quintana | Nate Weinmann | 1 | 1 |
| Kevin Christy | Todd / Brandon Northcliff | Henry | 1 | 1 |
| Kevin Daniels | Reggie Blake | Cesar | 1 | 1 |
| Laura Prepon | Natalie Rhodes | Frankie | 1 | 1 |
| Linda Park | Chief Inspector Zhang | Dr. Wendy Lee | 1 | 1 |
| Meredith Monroe | Elise Resner | Lola | 1 | 1 |
| Nicole Bilderback | Joy Harrison | Caring Student | 1 | 1 |
| Rachel Eggleston | Emily | Emily Lawson | 1 | 1 |
| Samantha Cutaran | Gym Clerk | Lida | 1 | 1 |
| Aasha Davis | Alyssa Lofters | Leona | 1 | 1 |
| Alex Fernandez | Capt. Marcus Donovan | Fernando | 1 | 1 |
| Andrew Leeds | Adam Murphy | Dr. Medina | 1 | 1 |
| Audrey Marie Anderson | Aubrey Haskins | Emily Koppelman | 1 | 1 |
| Christina Cox | Maggie Finch | Annette Raines | 1 | 1 |
| David Burke | Chief John Brady | Everhardt | 1 | 1 |
| Denise Dowse | Judge Gloria Wollcott | Glenda | 1 | 1 |
| Dominic Purcell | Russell Ganz | Ed Snow | 1 | 1 |
| Drew Powell | Sam Carson | Anthony | 1 | 1 |
| Erin Foster | Sky Blue | Second Applicant | 1 | 1 |
| Heather McComb | Nicole Morris | Theresa | 1 | 1 |
| Ivo Nandi | Teodor Hajek | Andres Tavares | 1 | 1 |
| Jeff Hephner | Edmund Drake, Zalman Drake | Sean | 1 | 1 |
| Jennifer Hall | Rebecca Strong | Melanie | 1 | 1 |
| Jim Gleason | Dr. Barry Frank | Mitchell | 1 | 1 |
| Kai Lennox | Simon | George | 1 | 1 |
| Kathe Mazur | Anya Mishkin | Sandy | 1 | 1 |
| Kathleen York | Kat Kingsley | Dr. Schaffer | 1 | 1 |
| Larry Clarke | Tony Muller | Officer Gilmar | 1 | 1 |
| Laurie Fortier | U.S. Attorney Stephanie Goldmark | Darnell | 1 | 1 |
| Mackenzie Astin | Phillip Bartlett | Alan Alston | 1 | 1 |
| Marc Blucas | Jeremy Preswick | John Kelley | 1 | 1 |
| Mike Moh | Lee Tong | Waiter | 1 | 1 |
| Nick Chinlund | Evan Mitchell | Eddie | 1 | 1 |
| Parisa Fakhri | Colette Roth | Susan | 1 | 1 |
| Ray Abruzzo | Frank Russo | Lorenzo Wibberly | 1 | 1 |
| Samantha Shelton | Vixen | Emmy | 1 | 1 |
| Sebastian Sozzi | Joey Montez | Nick | 1 | 1 |
| Sonya Eddy | Olivia 'Mama' Toussaint | Sally | 1 | 1 |
| Wes Ramsey | John Henson | Miles | 1 | 1 |
| Wings Hauser | "Lucky" Jack Flanagan | Michael | 1 | 1 |
| Adam Pilver | Manager | Cranio Surgeon | 1 | 1 |
| Alexandra Bokyun Chun | Ms. Cross | Kim Chen | 1 | 1 |
| Brad Grunberg | Gary | Irv | 1 | 1 |
| Brian Klugman | Paul McCardle | Stark | 1 | 1 |
| Channon Roe | Kevin Henson | Emory LeMaine | 1 | 1 |
| Charlene Amoia | Ana Marie | Dr. Fraser | 1 | 1 |
| Clare Carey | Noreen Hixton | Ellie Miller | 1 | 1 |
| Darlene Vogel | Sadie Beakman | Ellen Rogers | 1 | 1 |
| Eamon Hunt | Frank Garrison | Neurologist, Surgeon | 1 | 2 |
| Helena Barrett | Lara Madden | Woman With Thirteen | 1 | 1 |
| Jaleel White | Mickey Franks | Porter | 1 | 1 |
| Janet Song | Nurse | Surgeon | 1 | 1 |
| Joe Williamson | Charlie Green | Dr. Bruce | 1 | 1 |
| June Squibb | Jamie Isaacson | Ramona | 1 | 1 |
| Keiko Agena | Kelly | Dr. Cheng | 1 | 1 |
| Mark Harelik | Pete Benton | Mr. Foster | 1 | 1 |
| Meera Simhan | Cafe Hostess | Jody | 1 | 2 |
| Patrick O'Connor | Chris Markum | Dr. Frankel | 1 | 1 |
| Samantha Quan | Kathleen Park | Nicole | 1 | 1 |
| Sasha Roiz | Bobby Stark | Driscoll | 1 | 1 |
| Scott Allen Rinker | David Anderson | Bobby | 1 | 1 |
| Tommy Savas | Marcus Hiatt | Cruz | 1 | 1 |
| Brett Wagner | Jack Spurloch | L.K. | 1 | 1 |
| Bruno Amato | Fred Cana | Lt. Smith | 1 | 1 |
| Charles Rahi Chun | Paul Cho | Kwansik Park | 1 | 1 |
| David Conrad | Frank Kelly | Marty Hamilton | 1 | 1 |
| Holly Daniels | Tanya Brandt | Debbie | 1 | 1 |
| Jade Carter | Agent Jack Corrigan | Dr. Morgan | 1 | 1 |
| Joshua Wolf Coleman | Reporter #2 | Suburban Pharmacist | 1 | 1 |
| Marco Antonio Martinez | Eric Marx | Dry Cleaner | 1 | 1 |
| Marin Hinkle | Dr. Rebecca Ellins | Naomi Randolph | 1 | 1 |
| Patrick Bauchau | Caine Powell | Dr. Rowan Chase | 1 | 1 |
| Patrick St. Esprit | Special Agent Emmett Forrest | Keith Tannenbaum | 1 | 1 |
| Paul Haitkin | Fake Caleb | Another Suit | 1 | 1 |
| Rob Brownstein | Captain Ziering | Franklin | 1 | 1 |
| Ryan Alosio | Mike Weitz | Joseph | 1 | 1 |
| Vincent Spano | Christopher Carlucci | Tommy | 1 | 1 |
| Ben Bledsoe | Brian Morris | Opponent | 1 | 1 |
| Brian D. Johnson | Ron Hill | Taddy's Boss | 1 | 1 |
| Bruno Oliver | Tracy's Boss | Paul | 1 | 1 |
| Carole Gutierrez | Dr. Deb Lander | Helen | 1 | 1 |
| Dominic Flores | Manager | Pharmacist | 1 | 1 |
| Eltony Williams | Officer Marino | Co-Pilot | 1 | 1 |
| Endre Hules | Pavel Oborin | Sous Chef | 1 | 1 |
| John Gloria | Bartender | Calvin Ayres | 1 | 1 |
| Kendall Clement | Judge | Anesthesiologist | 1 | 1 |
| Mandy June Turpin | Lee Travis' Sister | Beth | 1 | 1 |
| Michael Edwin | Night Desk Clerk | Tax Accountant | 1 | 1 |
| Nick McCallum | William Fairwick | Fred | 1 | 1 |
| Paul Zies | Frankie | Marco | 1 | 1 |
| Raymond Ma | Lucky Dragon Owner | Wu Zheng | 1 | 1 |
| Steve Kramer | Super | Ken | 1 | 1 |
| Tom Billett | Sergio | Security Guard #1 | 1 | 1 |
| Tom Wright | Fats Shepherd | Dr. Pilcher | 1 | 1 |
| Christie Lynn Smith | Melanie Kopek | Cindy Kramer | 1 | 1 |
| David A. Kimball | Mr. Kendall | Lawyer | 1 | 1 |
| David Kelsey | Ken Fisher | Ron | 1 | 1 |
| Joe Marinelli | Jimmy Moran | Director | 1 | 1 |
| John Bobek | Davis Hawthorne | Student #2 | 1 | 1 |
| Maxine Hayden | old lady | Patron #2 | 1 | 1 |
| Roger Narayan | ER Resident | Pundit | 1 | 1 |
| Sam Ayers | Bartender | Large Man | 1 | 1 |
| Shelli Boone | Chantal | Molly | 1 | 1 |
| Benjamin John Parrillo | Coast Guard Lt. Mundy | Dr. Kubisak | 1 | 1 |
| Charlie Hofheimer | Eric Chambers | Mark Allmore | 1 | 1 |
| Christine Lucas | Denise McKay | Emma Reed | 1 | 1 |
| Chuck McCollum | Clerk | Urologist | 1 | 1 |
| Jaime Alvarez | Cal Harper | Jose | 1 | 1 |
| James McAndrew | Nick Buckley | State Trooper #1 | 1 | 1 |
| Jared Hillman | Eddie Peck | Brett | 1 | 1 |
| Jason Manuel Olazábal | Detective Kurt Menendez | O'Reilly | 1 | 1 |
| Mark Espinoza | Professor Stevenson | Stan | 1 | 1 |
| Pamela Shaddock | Marcella | Case Worker | 1 | 1 |
| Elena Evangelo | Jennifer Perez | Belinda | 1 | 1 |
| Fred Cross | Dr. Haver | Bartender | 1 | 1 |
| Grace Rowe | Reporter #1 | School Director | 1 | 1 |
| Hart Boykin | Homeless Man | Arthur | 1 | 1 |
| Jake Martin | Roger Corning | Julia's Husband | 1 | 1 |
| Jorge Borrelli | Salvador Acosta | Deaf Coach | 1 | 1 |
| Rod Damer | Bartender | Counterman | 1 | 1 |
| Shari Headley | Nicole Cameron | Third Applicant | 1 | 1 |
| Susan Grace | Carla | First Table North | 1 | 1 |
| Teddy Lane, Jr. | Taylor | Mr. Conroy | 1 | 1 |
| Tim Barraco | Delivery Guy | Young Cop | 1 | 1 |
| Will Deutsch | Nerdy Guy | Dr. Pressman | 1 | 1 |
| Albert Malafronte | Frank Thomas / Anatoly Arkady | Garney | 1 | 1 |
| Andrew Borba | Mr. Mudge | Mr. Van Der Meer | 1 | 1 |
| Debbie Campbell | Diana Edwards | Katherine | 1 | 1 |
| Mohammad Kavianpour | Dry Cleaning Delivery Guy | Orderly | 1 | 1 |
| Shawn Carter Peterson | Barry Bavetta | Male Med Student | 1 | 1 |
| Jack Guzman | Frankie Saldana | Security Guard #1 | 1 | 1 |
| Mark Bloom | Neal Morris | Doc #1 | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.