Primetime Emmy Award nominee Christopher Meloni enters his last season as crime detective Elliot Stabler in 'Law and Order: Special Victims Unit' - The Twelfth Year. In 24 gripping and complex episodes, Stabler joins Primetime Emmy Award winner Mariska Hargitay as detective Olivia Benson to take on sexual crimes of a more sinister and dynamic nature than ever before, including those involving runaway children, an American sex trade operation and serial rapists. As part of New York's committed investigative and legal team, Dann Florek, Richard Belzer, Ice-T, B.D. Wong and Tamara Tunie spend the season with an illustrious roster of guest stars, including Melissa Sagemiller, Terence Howard, Jeremy Irons, John Stamos, Maria Bello, Joan Cusack, Jennifer Love Hewitt and Rita Wilson. Diane Neal also makes an emotional return as ADA Casey Novak in producer Dick Wolf's hard-hitting series that's part of the longest-running brand on television.