Premise

Successful mystery novelist Richard Castle starts working with the New York Police Department (NYPD) homicide investigation team after a serial killer decides to use plots from his novels for no good.

Active Cast

Stana Katic Det. Kate Beckett
Nathan Fillion Richard Castle
Susan Sullivan Martha Rodgers
Molly Quinn Alexis Castle
Tamala Jones Lanie Parish
Jon Huertas Det. Javier Esposito
Seamus Dever Det. Kevin Ryan
Penny Johnson Jerald Capt. Victoria Gates

Former Cast

Ruben Santiago-Hudson Capt. Roy Montgomery