Annie Wersching Annie Wersching

Former 24 star Annie Wersching will guest-star in an upcoming episode of Hawaii Five-0, has learned exclusively.

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Wersching will play Samantha Martel, the sister of a murder victim whose death Five-0 is investigating. Described as agitated, frantic and defensive, Wersching's character eventually becomes a suspect when McGarrett (Alex O'Loughlin

) & Co. discover that her brother had recently fired her from his high-end restaurant. Is revenge a dish best served cold ... and bloody?Besides her role as FBI Special Agent Renee Walker on the final two seasons of 24, Wersching is known for her work as Amelia Joffe on ABC's General Hospital. She has also recently appeared on such series as CSI, NCIS, No Ordinary Family and Rizzoli & Isles.

Annie Wersching heads to NCIS

Hawaii Five-0
returns Monday, Sept. 19 at 10/9c on CBS. Wersching's episode is slated to air Oct. 24.