JENNIFER BEALS GUEST STARS IN A "CASTLE" TWO-PARTER ON ABC

"Pandora" - In the first episode of a two-part "Castle" event, Castle and Beckett pursue a ruthless killer who, they discover, is part of a sinister, international conspiracy. Castle and Beckett are joined on the case by Sophia Turner (guest star Jennifer Beals, "The Chicago Code," "Flashdance"), a smart, sexy CIA operative who has a complicated past with Castle. Josh Stamberg, ("Drop Dead Diva") also guest stars as Martin Danberg, an intelligence officer, on "Castle," SATURDAY, JULY 21 (10:00-11:00 p.m., ET), on the ABC Television Network. (Rebroadcast. OAD: 2/13/12).The second episode in this story arc, "Linchpin," airs Saturday, July 28.

"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: Jennifer Beals as Sophia Turner, Josh Stamberg as Martin Danberg, David Chisum as Thomas Gage.

"Pandora" was written by David Amann and directed by Bryan Spicer.

"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,V parental guideline.

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