TV Mariska Hargitay: Not Leaving 'SVU' By Jarett Wieselman 10:24 AM PST, January 6, 2012 Getty Images Although her longtime co-star, Christopher Meloni, left Law & Order: Special Victims Unit at the end of season 12, Mariska Hargitay revealed today that she has no plans to do the same thing."I can't leave this show," she said via taped message at today's Television Critics Association Press Tour in Pasadena. "I'm having too much fun."And she's poised to have even more fun in 2012 as crooner Harry Connick, Jr. will be joining the show for a 4-episode arc as Manhattan's new D.A. and a love interest for Olivia Benson.