CASTLE AND BECKETT WORK A CRIME OF PASSION, ON ABC'S "CASTLE"

"The Mistress Always Spanks Twice" - When a half-naked woman is found covered in caramel sauce and hanging by bondage cuffs in a public park, Castle and Beckett's investigation takes them into New York's underground world of sexual domination. Naturally the case serves as sexy fodder for their already charged relationship banter, on "Castle," SATURDAY, MAY 1 (10:00-11:00 p.m., ET/PT) on ABC. (Rebroadcast: OAD: 3/8/10)

"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: Paul Shackman as Barry, Gil McKinney as Tyler Benton, Amy Gumenick as Danielle, Mark Damon Espinoza as Professor Stevenson, Keiko Agena as Kelly, Devon Gummersall as Matt Haley.

"The Mistress Always Spanks Twice" was written by Kate Sargeant and directed by Rob Bowman.

"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-14,D,S,V parental guideline.

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