All 169 actors in both Castle and Rizzoli & Isles
169 actors have appeared in both Castle and Rizzoli & Isles, across 278 episodes. The most-credited is Brian Goodman, Gary McCallister in Castle and Lt. Sean Cavanaugh in Rizzoli & Isles.
| Actor | In Castle | In Rizzoli & Isles | Eps | Eps |
|---|---|---|---|---|
| Brian Goodman | Gary McCallister | Lt. Sean Cavanaugh | 2 | 12 |
| Idara Victor | Patty | Nina Holiday | 1 | 11 |
| Gregory Harrison | Danny Valentine | Ron Hanson | 1 | 6 |
| Annie Wersching | Dr. Kelly Nieman | Nicole Mateo | 3 | 1 |
| Jordan Belfi | Beau Randolph | Raymond Murphy | 2 | 1 |
| Joshua Bitton | Grant "Sully" Sullivan | Hank Kelly | 2 | 1 |
| Mark Deklin | Corey Francis | Agent Cameron Davies | 1 | 2 |
| Kristoffer Polaha | Caleb Brown | Edward Dunn | 4 | 1 |
| Brennan Elliott | Jason Cosway | Chris Harris | 1 | 1 |
| Brett Tucker | Detective Inspector Colin Hunt | Steve Sanner | 1 | 1 |
| Erin Chambers | Suzanne Steiner | Caitlin MacCarthy | 1 | 1 |
| Ever Carradine | Mirielle Lefcourt | Randi Gordon | 1 | 1 |
| François Chau | Clifford Lee | Harold Chen | 1 | 1 |
| James Black | Darius Carson | Ernie Priest | 1 | 1 |
| Peter Onorati | Sal Malavolta | Robert Colburn | 1 | 1 |
| Vanessa Bell Calloway | Beryl Wickfield | Assistant District Attorney | 1 | 3 |
| Judith Moreland | Sandy Jenkins | Prison Official | 1 | 2 |
| Karl T. Wright | Dr. Chuck Vaughn | Officer Sam Reynolds | 1 | 2 |
| Max Martini | Hal Lockwood | Dan Mateo | 2 | 1 |
| Abby Brammell | Carol Thornton | Linda Hendriksen | 1 | 1 |
| Anne Dudek | Emma Carnes | Cynthia Wallace | 1 | 1 |
| Arden Cho | Kiara | Lee | 1 | 1 |
| Austin Highsmith Garces | Camille Roberts | Carla Harris | 1 | 1 |
| Chris Butler | Bob Foster | Det. Darren Crowe | 1 | 2 |
| Chris Coy | Zeke | Drew Beckett | 1 | 1 |
| Chris L. McKenna | Simon Westport | Jim Tolliver | 1 | 1 |
| Christopher Cousins | Nolan Burns | Sam Nelson | 1 | 1 |
| Dameon Clarke | Scott Dunn | Sam Langdon | 2 | 1 |
| Daniella Alonso | Maria Sanchez | Detective Riley Cooper | 1 | 1 |
| Danielle Bisutti | Claire Panchard | Linda Wallace | 1 | 1 |
| David Blue | Kyle | Peter Kaufman | 1 | 1 |
| Erik Palladino | Coach Rome | Det. Bobby Marino | 1 | 1 |
| Erin Way | Audrey O'Neill | Sarah Evans | 1 | 1 |
| Ethan Phillips | Wallace Benner | John J. Murray | 1 | 1 |
| Gonzalo Menendez | Ronaldo | Det. Robin Monroe | 1 | 1 |
| Jayne Brook | Claudia Peterson | Senator Valerie Bloomfield | 1 | 1 |
| Jessica Camacho | Officer Marisa Aragon | Karina | 1 | 1 |
| Joe Nieves | Boyd Gamble | Det. Grant | 1 | 1 |
| Larry Poindexter | Det. McBride | Dr. Byron Slucky | 1 | 1 |
| Layla Alizada | Phoebe | Accountant | 1 | 1 |
| Michael Irby | Shane Winters | Detective Oscar Acedo | 1 | 1 |
| Michael McGrady | Brian Reilly | Rick Sullivan | 1 | 1 |
| Patrick Fabian | Peter Monroe | Nate | 1 | 1 |
| Raphael Sbarge | Dr. Darrell Meeks | Mr. Davis | 1 | 1 |
| Samantha Sloyan | Pam | Alex Ruebens | 1 | 1 |
| Mercedes Colon | Philip Lee's Attorney | Robin Jackson | 1 | 2 |
| Omar J. Dorsey | Biggie Slim | Big Mo | 1 | 2 |
| Alex Fernandez | Capt. Marcus Donovan | Officer Ronald Duncan | 1 | 1 |
| Doug Savant | Trevor Nigel | Roger Thorson | 1 | 1 |
| Elya Baskin | Sergei Vetotchkin | Dr. Vladmir Papov | 1 | 1 |
| Emily Baldoni | Svetlana Renkov | Sage Molette | 1 | 1 |
| Hank Harris | Chad Hockney | Zachary Bale aka Jeremy Kendricks | 1 | 1 |
| Heather McComb | Nicole Morris | Leslie Cabot | 1 | 1 |
| Jessica Tuck | Joy McHugh | Dr. Victoria Nolan | 1 | 1 |
| Jim O'Heir | Hal Rossi | Dr. Little | 1 | 1 |
| John Allen Nelson | Walter Dennis | Robert Davenport | 1 | 1 |
| John M. Jackson | Rod Halstead | Howard Ames | 1 | 1 |
| John Mese | Mr. Charles Beaumont | Lawyer | 1 | 1 |
| Lochlyn Munro | Kevin McCann | Skeet Martin | 1 | 1 |
| Mac Brandt | Jeremy | Wally Johnson | 1 | 1 |
| Max E. Williams | Ilya Golovkin | Steve | 1 | 1 |
| Michael Dempsey | Frank Malloy | Bob | 1 | 1 |
| Rick Peters | Tony Blaine | AUSA King | 1 | 1 |
| Scottie Thompson | Tildy McGuire | Lola | 1 | 1 |
| Spencer Garrett | Evan Pierce | Bill Sutton | 1 | 1 |
| Taylor Kinney | Darren Thomas | Jesse Wade | 1 | 1 |
| Wings Hauser | "Lucky" Jack Flanagan | Ret. Det. Mark McFadden | 1 | 1 |
| Aly Mawji | Evan | Ned Drake | 1 | 1 |
| Andrea Bogart | Callie Langston | Courtney Brown | 1 | 1 |
| Antonio Sabàto Jr. | Ramon Russo | Jorge | 1 | 1 |
| Bonita Friedericy | Sister Mary | Mary Sokoloff | 1 | 1 |
| Brian Elerding | Armando Montoya | Mr. Harper | 1 | 1 |
| Carlease Burke | Storage manager | Manager at Pence Modeling Agency | 1 | 1 |
| Darri Ingolfsson | Austin Elektra | Robert Stevens | 1 | 1 |
| Eden Riegel | Rachel Goldstein | Florence Reynolds | 1 | 1 |
| Ethan Cohn | Milo Pavlik | Derek | 1 | 1 |
| Gloria Garayua | Kristina Curtis | Josie Garcia | 1 | 1 |
| J.D. Walsh | John Emerson | Larry Rothsburgher | 1 | 1 |
| Jack McGee | Dale Fickas | bartender | 1 | 1 |
| Kari Coleman | Julia Hammond | Dr. Verusca Vela | 1 | 1 |
| Kevin Sheridan | Paul | Jonathan McMurphy | 1 | 1 |
| Laura Niemi | Bernie Cosetti | Dr. Carla Dalton | 1 | 1 |
| Lisa Kaminir | Captain Edmunds | Cathy Graff | 1 | 1 |
| Mackenzie Astin | Phillip Bartlett | Professor Rick Clark | 1 | 1 |
| Marisa Ramirez | Angelica Fink | Marisa Rodriguez | 1 | 1 |
| Matthew Alan | Jason Bagwell | Pvt. Gary Campbell | 1 | 1 |
| Merrin Dungey | Monica Finch | Gwen Miller | 1 | 1 |
| Paul Schackman | Barry | Dr. Matthew Kaplan | 1 | 1 |
| Robert Curtis Brown | Ian Busch | Noah Brenner | 1 | 1 |
| Senta Moses | Michele Langford | Ruby Burke | 1 | 1 |
| Sonya Leslie | Valerie Thompson | Sophie James | 1 | 1 |
| Alex Carter | Michael Goldman | Ron Montgomery | 1 | 1 |
| Amy Stewart | Brandy Rossi | Kathleen Dunn | 1 | 1 |
| Chet Grissom | Agent Gray | Mr. O'Neill | 1 | 1 |
| Conor O'Farrell | Ronald Armstrong | Warden Price | 1 | 1 |
| Dominic Hoffman | Andrew Spencer | Priest at St. Ann's | 1 | 1 |
| Elaine Hendrix | Melissa Talbot | Geena Young | 1 | 1 |
| Eloy Casados | Yavapai Elder | Factory Manager | 1 | 1 |
| Gabriel Salvador | Alejandro Guzman | Jorge Vega | 1 | 1 |
| Guy Wilson | Jeffrey McGuigan | Chaz | 1 | 1 |
| James Handy | Clifford Stuckey | Leroy Grovner | 1 | 1 |
| Joel Polis | John Raglan | Starbridge Warden | 1 | 1 |
| Jonah Wharton | Dr. Hoswer | Jimmie Washington | 1 | 1 |
| Kelly Kruger | Laura Westbourne | Jenny Cabot | 1 | 1 |
| Kim Hawthorne | Angela Matthews | Vonda Morris | 1 | 1 |
| Lilli Birdsell | Samantha Williger | Joan Silver | 1 | 1 |
| Lily Knight | Gretchen Cutler | Mrs. Brown | 1 | 1 |
| Matt Champagne | Andy Berman | Dale Mullins | 1 | 1 |
| Patrick St. Esprit | Special Agent Emmett Forrest | Detective Artie McMurphy | 1 | 1 |
| Robert Cicchini | Mr. Turino | Carlo | 1 | 1 |
| Robin Thomas | Alan Freeman | Roger Deluth | 1 | 1 |
| Steven Eckholdt | Michael Case | Ronald Wallace | 1 | 1 |
| Tiffany Jeneen | Motel Maid | Barista | 1 | 1 |
| Vivian Kerr | Amanda Lowery | Bonnie Leonard | 1 | 1 |
| James Huang | Edward Han | BRIC Tech | 1 | 2 |
| Aaron Hill | Kurt Wilson | Kevin Baker | 1 | 1 |
| Allison Dunbar | Sandra Meyers | Kim Marks | 1 | 1 |
| Candice Patton | Young Woman | Justin's Wife | 1 | 1 |
| Charlie Hofheimer | Eric Chambers | Lt. Dan Forman | 1 | 1 |
| Curtis Hamilton | Guard with Sunglasses | Delivery Guy | 1 | 1 |
| Denise Dowse | Judge Gloria Wollcott | Judge | 1 | 1 |
| Jackie Geary | Maggie Dowd | Maggie McGee | 1 | 1 |
| Jeris Lee Poindexter | Older Man | Jeremy | 1 | 1 |
| Joyce Guy | Judge Kerry Fallbrook | Joanna | 1 | 1 |
| Paul Zies | Frankie | Grimm | 1 | 1 |
| Presciliana Esparolini | Teresa De La Torre | Soccer Coach | 1 | 1 |
| Priscilla Garita | Bridge Officer | Bianca Valdez | 1 | 1 |
| Tom Billett | Sergio | Officer Wolf | 1 | 1 |
| Tom Wright | Fats Shepherd | Walt | 1 | 1 |
| Benjamin Ciaramello | Vin | Todd Davis | 1 | 1 |
| Christopher Curry | Gaston | Judge Martin | 1 | 1 |
| Corey Mendell Parker | Reggie Dyson | House Manager | 1 | 1 |
| Emily Davenport | Abby Smith | Brenda Thomas | 1 | 1 |
| John Bobek | Davis Hawthorne | Jimmy McGuinness | 1 | 1 |
| John Littlefield | Joel Pratt | Chris Alexander | 1 | 1 |
| Makinna Ridgway | Hannah Green | Linda Cavanaugh | 1 | 1 |
| Michael Rodrick | Robert "Bobby S" Shannon | James Fillmore | 1 | 1 |
| Arnell Powell | Chris Jackson | Uniformed Cop | 1 | 1 |
| Colby French | NYPD Detective | Skip Ryan | 1 | 1 |
| David Starzyk | Lee Copley | Phil Young | 1 | 1 |
| Erin Matthews | Elizabeth Forte | Emily Sanner | 1 | 1 |
| Gerald Downey | Lloyd Kurtzman | Alex Simmons | 1 | 1 |
| John Hemphill | Tom Walters | Sweaty Runner | 1 | 1 |
| Jon Curry | Stan Kopek | Bob Thatcher | 1 | 1 |
| Kevin Foster | Will Medina | Dylan Blyer | 1 | 1 |
| Matt Bushell | Leeman Jones | O'Connell's Partner | 1 | 1 |
| Matt McTighe | Chuck Ryker | Tyler Moore | 1 | 1 |
| Michael Maize | Hank Ponzell | Trooper J.D. Miller | 1 | 1 |
| Toni French | Audience Member, Patron | Bar Patron | 2 | 1 |
| Alicia Ziegler | Tiffany | Mandy | 1 | 1 |
| Chase Kim | FBI Specialist | Det. James Ward | 1 | 1 |
| Creagen Dow | Max Heller | Cecil 'Spike' Wilson | 1 | 1 |
| Evan Helmuth | Nick Johnston | Jake Spencer | 1 | 1 |
| Frank Birney | Father McCaskey | Professor Walter Lowell | 1 | 1 |
| Lak Rana | Tech #3 | paramedic | 1 | 1 |
| Mitchell Fink | Paul Gibney | Trooper Dave Dewey | 1 | 1 |
| Scott Broderick | Richie 'The Pitbull' Falco | Sam | 1 | 1 |
| Dinora Walcott | Det. Mindy Stegner | Margaret | 1 | 1 |
| Ken Colquitt | DEA Agent Richmond | Customer | 1 | 1 |
| LaNiesha Irvin | Mary Montgomery | Chloe Cameron | 1 | 1 |
| Monica Garcia | Cleaning Lady | Vanessa Flores | 1 | 1 |
| Samantha Cutaran | Gym Clerk | Attendant | 1 | 1 |
| Troy Winbush | Marcus Ford | Baseball Pundit #2 | 1 | 1 |
| Virginia Montero | Abuela | Delores Jones | 1 | 1 |
| Kathleen M. Darcy | Dawn Craig | Nurse | 1 | 1 |
| Teddy Lane, Jr. | Taylor | Prison Guard #1 | 1 | 1 |
| Andra Petru | Female Wedding Guest | Boxer | 1 | 1 |
| Brien Perry | Air Marshal Kyle Ford | shore patrol officer | 1 | 1 |
| Christopher May | Arthur Sansone | Mr. Cole | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.