CASTLE CONTENDS WITH BECKETT'S EX-BOYFRIEND, A HANDSOME FBI AGENT INVESTIGATING THE DISAPPEARANCE OF A LITTLE GIRL, ON ABC'S "CASTLE"

"Little Girl Lost" � When a two-year-old girl is discovered missing from her home, Beckett is called in to assist with the investigation only to discover that the FBI agent in charge is, in fact, her ex-boyfriend. The two of them try to put aside their unresolved feelings as they race to find the girl, but when Castle inserts himself into the investigation, competition quickly heats up for Beckett's attention, on "Castle," MONDAY, MAY 4 (10:02-11:00 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, 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: Bailey Chase as Will Sorenson, Judy Reyes as Theresa Candela, Julian Acosta as Alfred Candela, Francis Capra as Juan Restrepo and Todd Waring as Dave Ellers.

"Little Girl Lost" was written by Elizabeth Davis and directed by John Terlesky.

"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. A TV parental guideline will be assigned closer to airdate.

This episode of "Castle" will be available on ABC.com the day after airing on the network for users to watch online.