Castle

Castle is an American crime drama and police procedural television series that airs on ABC. What happens when you pair a famous detective mystery writer with a New York City female detective? Richard Castle finds out when he is called in to help Kate Beckett with a unique case of a murderer who seems to be committing copy-cat murders based on incidents in one of his best sellers.

The first episode of Castle aired March 9, 2009.

Main characters

 * Nathan Fillion as Richard Castle
 * Stana Katic as Detective Kate Beckett
 * Jon Huertas as Detective Javier Esposito
 * Seamus Dever as Detective Kevin Ryan
 * Tamala Jones as Dr. Lanie Parish
 * Ruben Santiago-Hudson as Captain Roy Montgomery (season 1-3)
 * Molly C. Quinn as Alexis Castle (credit as Molly Quinn)
 * Susan Sullivan as Martha Rodgers
 * Penny Johnson Jerald as Captain Victoria Gates (season 4-)

Recurring characters

 * Arye Gross as Sidney Perlmutter (Season 2 to 5)
 * Monet Mazur as Castle's 2nd ex-wife, Gina Cowell (Season 1 and 2)
 * Darby Stanchfield as Meredith, Castle's 1st ex-wife (Season 1 and 5)
 * Dan Castellaneta as Judge Markway (Season 1)
 * Joseph C. Phillips as the Mayor (Season 1)
 * Bailey Chase as Will Sorenson (Season 1)
 * Robert Picardo as Dr. Clark Murray (Season 1 and 2)
 * Diana Maria Riva as Detective Roselyn Karpowski (Season 2)
 * Juliana Dever as Jenny (Season 2 to 5)
 * Scott Paulin as Jim Beckett (Season 1 to 5)
 * Dana Delany as Special Agent Jordan Shaw (Season 2)
 * Michael Trucco as Detective Tom Demming (Season 2)
 * Phil LaMarr as Dr. Holloway (Season 2)
 * Stephen J. Cannell as himself as one of Castle's poker game regulars (Season 1 and 2 with a memorial closing credit in Season 3)
 * James Patterson as himself as one of Castle's poker game regulars (Season 1)
 * Victor Webster as Josh Davidson (Season 3 and 4)
 * Michael Dorn as Dr. Carter Burke (Season 4 and 5)
 * Geoff Pierson as Mr. Micha (Season 4 and 5)
 * Tahmoh Penikett as Cole Maddox (Season 4 and 5)
 * James Brolin as Jackson Hunt (Season 5 and 6)