Series info
Cast: (50 - show/hide all)
| Nathan Fillion | ... | Richard Castle (171 episodes) |
| Jon Huertas | ... | Javier Esposito (170 episodes) |
| Seamus Dever | ... | Kevin Ryan (170 episodes) |
| Stana Katic | ... | Kate Beckett (169 episodes) |
| Susan Sullivan | ... | Martha Rodgers (148 episodes) |
| Molly C. Quinn | ... | Alexis Castle (146 episodes) |
| Tamala Jones | ... | Lanie Parish (145 episodes) |
| Penny Johnson | ... | Captain Victoria Gates (69 episodes) |
| Ruben Santiago-Hudson | ... | Captain Roy Montgomery (56 episodes) |
| Maya Stojan | ... | Tory Ellis (25 episodes) |
| Arye Gross | ... | M.E. Sidney Perlmutter (15 episodes) |
| Toks Olagundoye | ... | Hayley Shipton (15 episodes) |
| Sunkrish Bala | ... | Vikram Singh (9 episodes) |
| Scott Paulin | ... | Jim Beckett (7 episodes) |
| Juliana Dever | ... | Jenny (7 episodes) |
| Myko Olivier | ... | Pi (7 episodes) |
| Jack Coleman | ... | Senator William H. Bracken (6 episodes) |
| Michael Dorn | ... | Dr. Carver Burke (5 episodes) |
| Michael Connelly | ... | Himself (4 episodes) |
| Michael Trucco | ... | Det. Tom Demming (4 episodes) |
| Victor Webster | ... | Josh Davidson (4 episodes) |
| Michael Mosley | ... | Jerry Tyson (4 episodes) |
| Geoff Pierson | ... | Mystery Man (4 episodes) |
| Lisa Edelstein | ... | Rachel McCord (4 episodes) |
| Michelle Alegria | ... | Reporter (4 episodes) |
| Kristoffer Polaha | ... | Caleb Brown (4 episodes) |
| L.T. Tolliver | ... | NYPD Uniform Officer (3 episodes) |
| Channon Roe | ... | Kevin Henson (3 episodes) |
| Phil LaMarr | ... | Dr. Holloway (3 episodes) |
| Danny Nucci | ... | Gilbert Mazzara (3 episodes) |
| Ken Baumann | ... | Ashley (3 episodes) |
| Valerie Azlynn | ... | Uniform (3 episodes) |
| Monet Mazur | ... | Gina Griffin (3 episodes) |
| Stephen J. Cannell | ... | Himself (3 episodes) |
| Yancey Arias | ... | Chief Carl Villante (3 episodes) |
| Peter James Smith | ... | Agent Richmond (3 episodes) |
| Jocko Sims | ... | Matt Hendricks (3 episodes) |
| Annie Wersching | ... | Dr. Kelly Nieman (3 episodes) |
| Matt Letscher | ... | Henry Jenkins (fake) (3 episodes) |
| Toni French | ... | Mission Control Tech (3 episodes) |
| Claudia Choi | ... | Video Technician (2 episodes) |
| Darby Stanchfield | ... | Meredith (2 episodes) |
| Joseph C. Phillips | ... | Mayor (2 episodes) |
| Bailey Chase | ... | Will Sorenson (2 episodes) |
| Robert Picardo | ... | Dr. Clark Murray (2 episodes) |
| Diana Maria Riva | ... | Det. Roselyn Karpowski (2 episodes) |
| Vanessa Motta | ... | Housewife (2 episodes) |
| Monica Staggs | ... | Housewife (2 episodes) |
| John Brantley Cole | ... | NYPD Uniform (2 episodes) |
| Natalie Cohen | ... | Escort (2 episodes) |
Crew:
| Andrew W. Marlowe | ... | Creator(s) |