September 14, 2011 12:24 PM PST

CSI: Miami Exclusive: Diane Farr to 'Vamp' It Up in Halloween Storyline

Diane Farr is sinking her teeth into some trouble on CSI: Miami.

The Numb3rs alumna will guest-star on the CBS procedural as a popular novelist who gets tangled up in a Halloween-time case, TVLine has learned exclusively.

24 Favorite Cast as CSI: Miami‘s Big New Baddie

In the Oct. 30 installment, Horatio’s team investigates a murder with vampiric undertones that appears to be based on a young adult book series penned by Farr’s character. One of the CSIs may even find him or herself bit along the way. (Hope everyone has had their shots.)

CSI: Miami, Pan Am or Football: What Will You Watch Sundays at 10?

CSI: Miami kicks off its 10th season on Sunday, Sept. 25, at 10/9c.