All 76 actors in both Castle and Chuck
76 actors have appeared in both Castle and Chuck, across 264 episodes. The most-credited is Bonita Friedericy, Sister Mary in Castle and Brigadier General Diane Beckman in Chuck.
| Actor | In Castle | In Chuck | Eps | Eps |
|---|---|---|---|---|
| Bonita Friedericy | Sister Mary | Brigadier General Diane Beckman | 1 | 52 |
| Mekenna Melvin | Talia McTeague | Alex McHugh | 1 | 24 |
| Ray Wise | Bobby Fox | Riley | 1 | 3 |
| Mercedes Mason | Marina Casillas | Zondra | 1 | 2 |
| Monét Mazur | Gina Cowell | Barbara | 2 | 1 |
| Robert Picardo | Dr. Clark Murray | Dr. Howard Busgang | 2 | 1 |
| Clare Carey | Noreen Hixton | Kathleen McHugh | 1 | 4 |
| Richard Burgi | Charlie Turner | Clyde Decker | 1 | 4 |
| Eric Lange | Simon Warburg | Colin Davis | 1 | 1 |
| François Chau | Clifford Lee | Guillermo Chan | 1 | 1 |
| Isaiah Mustafa | Team Leader | Greta #2 | 1 | 2 |
| Mark Pellegrino | Tom Dempsey | Alexander Winterborne | 1 | 2 |
| Christopher Cousins | Nolan Burns | Bill Bergey | 1 | 1 |
| David Burke | Chief John Brady | Mr. Mercer | 1 | 3 |
| Ethan Phillips | Wallace Benner | Woodley | 1 | 1 |
| Fred Willard | Hank McPhee | Craig Turner | 1 | 1 |
| Gwendoline Yeo | Elise Kim | Mei-Ling Cho | 1 | 1 |
| India de Beaufort | Taylor McKinley | Jasmine | 1 | 1 |
| Justin Hartley | Reggie Starr | Wesley Sneijder | 1 | 1 |
| Rachel Eggleston | Emily | Molly | 1 | 1 |
| Shaun Toub | Dr. Philip Boyd | Dr. Mohammed Zamir | 1 | 1 |
| Summer Glau | Kendall Frost | Greta #4 | 1 | 1 |
| Anthony Ruivivar | Barrett Hawke | Tommy Delgado | 1 | 2 |
| Alex Fernandez | Capt. Marcus Donovan | Commandante Juan Pablo Turrini | 1 | 1 |
| Allan Louis | Capt. Frank Mahoney | Dr. Martin Kowambe | 1 | 1 |
| Braeden Marcott | Pierre Dubois | Wine Enthusiast | 1 | 1 |
| Catherine Dent | Beth Tanner | Jane Robertson | 1 | 1 |
| David S. Lee | Matt Lanchet / Leo Wyngaard | Boris Kaminsky | 1 | 1 |
| Erin Cahill | Cecily Burkett | Bobbi | 1 | 1 |
| Marco Rodríguez | Jorge "El Oso" Zamacona | Rocky Falcone | 1 | 1 |
| Millicent Martin | Oona Marconi | Mrs. Winterbottom | 1 | 1 |
| Omar J. Dorsey | Biggie Slim | St. Germaine | 1 | 1 |
| Peter Jason | Sheriff Sloan | General Merriweather | 1 | 1 |
| Peter Onorati | Sal Malavolta | Wally Roberts | 1 | 1 |
| Ping Wu | Dr. Lee | Mr. Wu | 1 | 1 |
| Adoni Maropis | Henry Allen Boothe | Javier Cruz | 1 | 1 |
| Branton Box | Volkov's Man | Mercenary Guard | 1 | 1 |
| Darin Toonder | Frankie | Steve | 1 | 1 |
| Donna Feldman | Jody Lopez | Salina | 1 | 1 |
| Jack Guzman | Frankie Saldana | Drugged Interpol Agent #1 | 1 | 1 |
| Jed Rees | Mr. Flynn | Nathan "Ned" Rhyerson | 1 | 1 |
| Jim Piddock | Lord Henry | Museum Curator | 1 | 1 |
| John Griffin | Gavin DeWinter | Pierce | 1 | 1 |
| Karissa Vacker | Emily Reed | Josie | 1 | 1 |
| Lori Alan | Ms. Papen | Judy Roberts | 1 | 1 |
| Matt Winston | Evan Hinkle | Barclay | 1 | 1 |
| Mercy Malick | Crystal | Instructor | 1 | 1 |
| Phil Abrams | Roger | Stanford Librarian | 1 | 1 |
| Todd Sherry | Maurice | Dr. Fred Hornblower | 1 | 1 |
| Artie O'Daly | Building Manager | Bell Man | 1 | 1 |
| Bruno Amato | Fred Cana | Security Agent | 1 | 1 |
| David L. King | News Producer | Executive | 1 | 1 |
| David Paluck | FBI Agent Michael Glassman | Ship's Manager | 1 | 1 |
| Jason Kelley | Event Organizer | Piano Player | 1 | 1 |
| Jim Pacitti | Jack Langstrom | FBI Agent #1 | 1 | 1 |
| John Kapelos | Joe Pulgatti | Yari Demetrios | 1 | 1 |
| Kevin Daniels | Reggie Blake | Ellyas Abshir | 1 | 1 |
| Michelle N. Carter | Woman | Bank Teller | 1 | 1 |
| Fred Cross | Dr. Haver | Roni Eimacher | 1 | 1 |
| Kimberly Estrada | Lisa Bloomfield | Amina | 1 | 1 |
| Matt Riedy | Attorney | SWAT Captain | 1 | 1 |
| Matt Roth | Philip Dagmar | Buy More Employee | 1 | 1 |
| Nick Gracer | Vlad Bardinov | Head Thug | 1 | 1 |
| Patrick Cohen | Patrick McConnell | Bartender | 1 | 1 |
| Roberto Sanchez | Jiggy Michaels | Columbian | 1 | 1 |
| Mitchell Fink | Paul Gibney | Airman | 1 | 1 |
| Robert Okumu | Mukhta Baylor | Casino Guard | 1 | 1 |
| Roman Arabia | Diego Lopez | Juan | 1 | 1 |
| Debbie Campbell | Diana Edwards | Porter | 1 | 1 |
| Lonyé Perrine | Bethany | Buy More Employee | 1 | 1 |
| John Bobek | Davis Hawthorne | Nerdy Technician | 1 | 1 |
| Paul Haitkin | Fake Caleb | Driver | 1 | 1 |
| Dmitri Boudrine | Ilya | Bodyguard #2 | 1 | 1 |
| Jack Dimich | Morris Hasberg | Timur | 1 | 1 |
| Yolanda Snowball | Rebecca Doolin | Justice of the Peace | 1 | 1 |
| Creagen Dow | Max Heller | Teenage Boy | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.