After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.
Nathan Fillion
Richard Castle
Stana Katic
Kate Beckett
Molly C. Quinn
Alexis Castle
Jon Huertas
Javier Esposito
Seamus Dever
Kevin Ryan
Susan Sullivan
Martha Rodgers
Tamala Jones
Lanie Parish
Penny Johnson Jerald
Victoria Gates
Ruben Santiago-Hudson
Roy Montgomery
Maya Stojan
Tory Ellis
Toks Olagundoye
Hayley Shipton
Arye Gross
Sidney Perlmutter
Sunkrish Bala
Vikram Singh
Scott Paulin
Jim Beckett
Juliana Dever
Jenny Duffy-O'Malley
Myko Olivier
Pi
Jack Coleman
William Bracken
Geoff Pierson
Michael Smith
Michael Dorn
Carter Burke
L.T. Tolliver
NYPD Uniform Officer
Michelle Alegria
Reporter
Michael Trucco
Tom Demming
Victor Webster
Josh Davidson
Kristoffer Polaha
Caleb Brown
Michael Mosley
Jerry Tyson
Michael Connelly
Michael Connelly
Aubrey Plaza
Lucy (voice) (uncredited)
Stephen J. Cannell
Stephen J. Cannell
Judith Scott
Evelyn Montgomery
Valerie Azlynn
Ann Hastings
Lisa Edelstein
Rachel McCord
Phil LaMarr
Dr. Holloway
Jonathan Adams
Vulcan Simmons
Dan Castellaneta
Judge Markway
Ken Baumann
Ashley
Danny Nucci
Gilbert Mazzara
Monet Mazur
Gina Cowell
Sylvester Foster
Precinct Detective
Annie Wersching
Kelly Nieman
Matt Letscher
Henry Jenkins
Jan M. Janssen
Officer Jenkins
Julia Nickson
Mrs. Lee
Jennifer Beals
Sophia Turner
Leonard Roberts
Jason Avery
Max Martini
Hal Lockwood
Creagen Dow
Max Heller
Bailey Chase
Will Sorenson
Bahar Soomekh
Nazihah Alhabi
Diana Maria Riva
Roselyn Karpowski
Dana Delany
Jordan Shaw
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