Main Characters Richard Castle 173 main appearances Detective Javier Esposito 172 main appearances Detective Kevin Ryan 172 main appearances Detective Kate Beckett 171 main appearances Martha Rodgers 139 main appearances Alexis Castle 138 main appearances Dr. Lanie Parish 135 main appearances Captain Victoria Gates 58 main appearances Captain Roy Montgomery 50 main appearances Hayley Shipton 13 main appearances Gina Cowell 2 main appearances
Recurring Guest Characters Detective Javier Esposito 1 guest appearances Detective Kevin Ryan 1 guest appearances Dr. Lanie Parish 1 guest appearances Tory Ellis 26 guest appearances Dr. Sidney Perlmutter 17 guest appearances Vikram Singh 9 guest appearances Jenny Ryan 8 guest appearances Jim Beckett 7 guest appearances Pi 7 guest appearances Senator William H. Bracken 6 guest appearances Dr. Carter Burke 6 guest appearances NYPD Uniform Officer 6 guest appearances Mr. Smith 6 guest appearances Reporter / News Anchor 5 guest appearances Gina Cowell 2 guest appearances Michael Connelly 4 guest appearances Jerry Tyson 4 guest appearances Detective Tom Demming 4 guest appearances Josh Davidson 4 guest appearances Officer Jenkins 4 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥