LOS ANGELES, March 29 (UPI) -- Mystery writers Michael Connelly and Dennis Lehane are to guest star on an episode of the U.S. police dramedy series, "Castle," ABC announced.
"Castle" is about what happens when crime novelist Richard Castle, played by Nathan Fillion, teams up with Kate Beckett, a New York City police detective played by Stana Katic, to solve homicide cases.