SEASON FINALE

CASTLE AND BECKETT'S LONG-AWAITED WEDDING IS ALMOST HERE, ON ABC'S "CASTLE"

Eddie McClintock Guest Stars

"For Better or Worse" -- Castle and Beckett's long-awaited wedding is almost here, but when a shocking surprise threatens to ruin the big day, they are sent on a wild mission filled with masked men, angry bikers and a charming ne'er-do-well from Beckett's past (guest star Eddie McClintock, "Warehouse 13"), on "Castle," MONDAY, MAY 12 (10:01-11:00 p.m., ET) on the ABC Television Network.

"Castle" stars Nathan Fillion as Richard Castle, Stana Katic as NYPD Detective Kate Beckett, Susan Sullivan as Martha Rodgers, Molly Quinn as Alexis Castle, Penny Johnson Jerald as NYPD Captain Victoria Gates, Tamala Jones as Medical Examiner Lanie Parish, Jon Huertas as NYPD Detective Javier Esposito, and Seamus Dever as NYPD Detective Kevin Ryan.

Guest Cast: Eddie McClintock as Rogan O'Leary, Maya Stojan as Tory Ellis, Nicole J. Butler as Cassandra, Doug Simpson as Henry Browning.

"For Better or Worse" was written by Terri Edda Miller & Andrew W. Marlowe and directed by John Terlesky.

"Castle" is produced by ABC Studios. Andrew Marlowe serves as executive producer/writer, along with executive producers Rob Bowman, David Amann, David Grae, and Armyan Bernstein.

"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