SEASON FINALE

CASTLE AND BECKETT INVESTIGATE AN APPARENT ASSASSINATION, AS BECKETT'S FEELINGS FOR DEMMING THREATEN HER RELATIONSHIP WITH CASTLE, ON THE SEASON FINALE OF ABC'S "CASTLE"

"A Deadly Game" - Nothing is as it seems when Castle and Beckett investigate what appears to be the assassination of an intelligence operative. Meanwhile, Beckett's romance with Demming threatens her relationship with Castle, forcing them to confront their feelings for each other, on the Season Finale of "Castle," MONDAY, MAY 17 (10:00-11:00 p.m., ET) on ABC. Also in the episode, Stephen J. Cannell, Michael Connelly and James Patterson guest star as themselves playing poker with Castle.

"Castle" stars Nathan Fillion as Richard Castle, Stana Katic as NYPD Detective Kate Beckett, Susan Sullivan as Martha Rodgers, Molly Quinn as Alexis Castle, Ruben Santiago-Hudson as NYPD Captain Roy Montgomery, Tamala Jones as Medical Examiner Lanie Parish, Jon Huertas as NYPD Detective Javier Esposito, and Seamus Dever as NYPD Detective Kevin Ryan.

Guest cast: Michael Trucco as Tom Demming, Monet Mazur as Gina, Stephen J. Cannell as himself, Michael Connelly as himself, James Patterson as himself, Mitch Pileggi as Hans Bremel.

"A Deadly Game" was written by Andrew Marlowe and directed by Rob Bowman.

"Castle" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1 channel surround sound. A TV parental guideline will be assigned closer to airdate.

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