All 103 actors in both Castle and Grimm
103 actors have appeared in both Castle and Grimm, across 296 episodes. The most-credited is Philip Anthony-Rodriguez, Michael Grant in Castle and Marcus Rispoli in Grimm.
| Actor | In Castle | In Grimm | Eps | Eps |
|---|---|---|---|---|
| Philip Anthony-Rodriguez | Michael Grant | Marcus Rispoli | 1 | 13 |
| Alla Korot | Dry Cleaner | Dasha Karpushin | 2 | 3 |
| Bailey Chase | Will Sorenson | Lucien Petrovitch | 2 | 3 |
| C. Thomas Howell | John Campbell | Weston Steward | 1 | 4 |
| Ann Cusack | Rita | Eliza Baske | 2 | 1 |
| Jaime Ray Newman | Holly Franklin | Angelina Lasser | 1 | 2 |
| Shaun Toub | Dr. Philip Boyd | Conrad Bonaparte | 1 | 4 |
| Amanda Schull | Joy Jones | Lucinda Jarvis | 1 | 1 |
| Chris Mulkey | Wilbur Pittorino | Bart | 1 | 3 |
| Currie Graham | Stanford Raynes | Frank Rabe | 1 | 1 |
| David Clayton Rogers | Viggo Jansen | Arthur Jarvis | 1 | 1 |
| Eric Lange | Simon Warburg | Dominick Spinner | 1 | 1 |
| Frederick Koehler | Adam Pike | Marty Burgess | 1 | 1 |
| Kenneth Mitchell | Paul Whittaker | Larry McKenzie | 1 | 1 |
| Mark Pellegrino | Tom Dempsey | Jarold Kempfer | 1 | 1 |
| Mary Page Keller | Rebecca Dalton | Dr. Higgins | 1 | 1 |
| Tim Griffin | Spalding Elliot | Mr. Keary | 1 | 1 |
| Titus Makin, Jr. | Tim Cabot | Brandon Kingston | 1 | 1 |
| Will Rothhaar | Jared Stone | Officer Jesse Acker | 1 | 3 |
| Alicia Lagano | Emma Briggs | Alicia | 1 | 2 |
| Chris L. McKenna | Simon Westport | Grossante | 1 | 2 |
| Daniel Roebuck | Joe Silva | Lt. Orson | 1 | 2 |
| Jessica Tuck | Joy McHugh | Catherine Schade | 1 | 3 |
| Michael Grant Terry | Jordan Norris | Ryan Smulson | 1 | 3 |
| Amanda Walsh | Lulu | Natalie Havershaw | 1 | 1 |
| Anne Dudek | Emma Carnes | Professor Vera Gates | 1 | 1 |
| Ayanna Berkshire | Interviewer | Dr. Rose | 1 | 2 |
| Camille Chen | Donna Brooks | Jenna Marshall | 1 | 1 |
| Claudia Christian | Logan Moore's Mother | Mrs. Clark | 1 | 1 |
| Erin Way | Audrey O'Neill | Jocelyn | 1 | 1 |
| George Newbern | Howard Peterson | Dr. Julian Levy | 1 | 1 |
| Gonzalo Menendez | Ronaldo | Jim McCabe | 1 | 1 |
| Jamie McShane | Tony "The Butcher" Valtini | Johnny Kreski | 1 | 1 |
| John Pyper-Ferguson | Dean Donegal | Hayden Walker | 1 | 1 |
| Josh Randall | Miles Haxton | Timothy Steinkellner | 1 | 1 |
| Kieren Hutchison | Cody Donnelly | Andre | 1 | 1 |
| Mark Famiglietti | Scott Weinberg | Linus Balouzian | 1 | 1 |
| Matt Gerald | Jimmy Wolfinsky | Arbok | 1 | 1 |
| Melinda Page Hamilton | Diana Harris | Joan Vark | 1 | 1 |
| Michael Graziadei | Brent Johnson | Ken | 1 | 1 |
| Nana Visitor | Dr. Patty Barker | Melissa Wincroft | 1 | 1 |
| Patrick Fabian | Peter Monroe | Dr. Eugene Forbes | 1 | 1 |
| Patrick Fischler | Leo | Billy Capra | 1 | 1 |
| Rebecca Wisocky | Dr. Elena Sarkov | Lily Hinkley | 1 | 1 |
| Regi Davis | Dr. Bailey | Mason Wilcox | 1 | 1 |
| Sam Anderson | Principal Duncan | Rolek Porter | 1 | 1 |
| Alan Smyth | Agent Steven Mallory | Ian Flynn | 1 | 1 |
| Amy Gumenick | Danielle | Gilda Darner | 1 | 1 |
| Brad William Henke | Mark Heller | Hap Lasser | 1 | 1 |
| Carlos Gómez | Captain Fowler | Anselmo Baledin | 1 | 1 |
| Derek Phillips | Reggie Walsh | Stetson Donovan | 1 | 1 |
| Eric Tiede | Mike Hoover | Vincent | 1 | 1 |
| Erick Avari | Rupert Bentley | JP | 1 | 1 |
| Hannah Marks | Jordan Gibbs | Gracie | 1 | 1 |
| Jay Paulson | Eddie McUsic | Randy Goode | 1 | 1 |
| Jonathan Slavin | Justin Hankel | Paul Wemlinger | 1 | 1 |
| Judith Hoag | Cynthia Hamilton | Mrs. Jessup | 1 | 1 |
| Keiko Agena | Kelly | Madoka Akagi | 1 | 1 |
| Mac Brandt | Jeremy | Ralph Rodderman | 1 | 1 |
| Neil Hopkins | Ted Carter | Ian Harmon | 1 | 1 |
| Nick Chinlund | Evan Mitchell | Leo Taymor | 1 | 1 |
| Rob Brownstein | Captain Ziering | Dr. Landeaux | 1 | 1 |
| Romy Rosemont | Nurse Lockhart | Beatrice Bennett | 1 | 1 |
| Tom Wright | Fats Shepherd | Spencer Harrison | 1 | 1 |
| William Mapother | Carl Matthews | Dwight Eleazer | 1 | 1 |
| Brian Letscher | Liam Finch | Timothy Croft Perkal | 1 | 2 |
| David Starzyk | Lee Copley | Judge Stancroft | 1 | 2 |
| Gabriel Salvador | Alejandro Guzman | Dallas Cruz | 1 | 2 |
| Brian McNamara | Mike Sampson | Abel Mahario | 1 | 1 |
| David Barrera | Principal Joe Silva | Luis Alvarez | 1 | 1 |
| Frank Birney | Father McCaskey | Norm Stanton | 1 | 1 |
| Gideon Emery | Lloyd Saunders | Damien Barso | 1 | 1 |
| Hank Harris | Chad Hockney | Andy Harrison | 1 | 1 |
| Kevin Sheridan | Paul | Amos | 1 | 1 |
| Michael Maize | Hank Ponzell | Adrian Zayne | 1 | 1 |
| Richard Portnow | Detective Milt Boyle | Daniel Troyer | 1 | 1 |
| Susan Ruttan | Eleanor Pike | Betty Frame | 1 | 1 |
| Michelle N. Carter | Woman | Special Agent Brady | 1 | 2 |
| Carlo Rota | Bahir Harun | Hedig | 1 | 1 |
| Carlos Sanz | Manuel Calderon | Isadore Malpica | 1 | 1 |
| David Figlioli | Ralph Marino | Logan Cobb | 1 | 1 |
| Dinora Walcott | Det. Mindy Stegner | Dr. Deirdre Hampton | 1 | 1 |
| Hunter Jackson | James Swan | Todd | 1 | 1 |
| Julian Acosta | Alfred Candela | Gabriel Martell | 1 | 1 |
| Matt McTighe | Chuck Ryker | Ray Bolton | 1 | 1 |
| Nick Thurston | Buck Cooper | Roddy Geiger | 1 | 1 |
| Ryan Sands | Sgt. Taggert | Special Agent Lofthouse | 1 | 1 |
| Scott Michael Morgan | Sam Mackey | Nathaniel Adams | 1 | 1 |
| Shane Coffey | Sean Tanner | Derrick Bryce | 1 | 1 |
| Walter Perez | Bobby Lopez | Benjamin McCullough | 1 | 1 |
| Aleksandra Kaniak | Mrs. Vetotchkin | Olga Myshkin | 1 | 1 |
| Chryssie Whitehead | Kathy Moore | Genevieve | 1 | 1 |
| Kevin Joy | Graham Fletcher | Kelly Burkhardt (adult) | 1 | 1 |
| Jacqueline Obradors | Allison Hyde | Ava Diaz | 1 | 1 |
| James Martin Kelly | Robert Decker | Abe Tucker | 1 | 1 |
| Makinna Ridgway | Hannah Green | Jenna Blake | 1 | 1 |
| Max Arciniega | Billy Bash | Diego Hoyos | 1 | 1 |
| Omid Zader | Cab Driver | Alfredo Guzman | 1 | 1 |
| Anna Campbell | Maddie | Beverly Garwood | 1 | 1 |
| Endre Hules | Pavel Oborin | Voice on Phone | 1 | 1 |
| Mario Perez | Man | Eddie Otero | 1 | 1 |
| Mark Bloom | Neal Morris | The Wolf | 1 | 1 |
| Brett Weinstock | Kent Wilder | Dennis Gladstone | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.