CASTLE'S LITERARY IDOL BECOMES HIS LATEST MURDER MYSTERY, ON ABC'S "CASTLE"

"What Lies Beneath" - When Castle's idol, a famously reclusive author, turns up dead, Castle is determined to solve his hero's murder. But as he and Beckett dig deeper, they discover that truth is stranger than fiction. "What Lies Beneath" will air on MONDAY, OCTOBER 12 (10:01-11:00 p.m. ET/PT) on the ABC Television Network.

"Castle" stars Nathan Fillion as Richard Castle, Stana Katic as NYPD Detective Kate Beckett, Tamala Jones as Medical Examiner Lanie Parish, Jon Huertas as NYPD Detective Javier Esposito, Seamus Dever as NYPD Detective Kevin Ryan, Molly Quinn as Alexis Castle with Susan Sullivan as Martha Rodgers. For Season 8, Toks Olagundoye ("The Neighbors") has joined the series as Hayley.

Guest cast: Tony Plana as Father Arguello, Lise Simms as Wendy Johnson, Jerry O'Donnell as Milton Cicero, Ryan Devlin as Stephen Reed.

"What Lies Beneath" was written by Barry O'Brien and directed by Larry Shaw.

"Castle" is produced by ABC Studios. Executive producers are Terence Paul Winter, Alexi Hawley, Rob Bowman, Rob Hanning and Armyan Bernstein.

"Castle" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1 channel surround sound. This program carries a TV-PG,L parental guideline.

For more information on "Castle," visit ABC.com