Lindsay Pulsipher, Kelli Giddish Lindsay Pulsipher, Kelli Giddish

For Law & Order: Special Victims Unit's Amanda Rollins, True Blood is thicker than water.

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The NBC cop drama has cast former True Blood

star Lindsay Pulsipher to play the recurring role of Kim Rollins, the younger sister of Kelli Giddish's detective, has learned exclusively. Kim, who was first referenced last season, will arrive in New York unexpectedly and will create all kinds of trouble for her older sister.Before her role as werepanther Crystal Norris on True Blood, Pulsipher was a regular on A&E's short-lived cop drama The Beast. She has also appeared on NCIS, FlashForward and NBC's Chase, on which Giddish also starred. Most recently, Pulsipher appeared on History's Hatfields & McCoys miniseries.

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Pulsipher's first appearance will air on Nov. 14, and she is expected to appear at least once more this season. Law & Order: SVU airs Wednesdays at 9/8c on NBC.