ALYSSA MILANO GUEST STARS AS RICHARD CASTLE'S EX-GIRLFRIEND, ON ABC'S "CASTLE"

"A Rose for Everafter" � When Castle and Beckett are called to a wedding to investigate the death of a bridesmaid, Castle is stunned to discover that the soon-to-be bride is his old flame, Kyra, "the one that got away" (guest starring Alyssa Milano). Complications ensue as Kyra, caught off-guard by Castle's reappearance in her life, wonders if she's marrying the right guy. With the nuptials forestalled and the entire wedding party under suspicion, Beckett questions Castle's ability to be objective about the case. But when it looks to Beckett like Castle and Kyra might rekindle their romance, her judgment may be compromised as well, on "Castle," MONDAY, JANUARY 11 (10:00-11:00 p.m., ET) on ABC.

"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: Alyssa Milano as Kyra Blaine, Brady Smith as Greg Murphy and Graham Beckel as Uncle Teddy.

"A Rose for Everafter" story was by Alexi Hawley with teleplay by Terri Miller & Terence Paul Winter and directed by Brian Spicer.

"Castle" is broadcast in 720 Progressive (720P), ABC's selected HDTV format, with 5.1 channel surround sound and Spanish subtitles via secondary closed captioning. This program carries a TV-PG,D,L,V parental guideline.

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