Louis Herthum, Kelly Overton Louis Herthum, Kelly Overton

The Ring Two's Kelly Overton and The Last Exorcism's Louis Herthum have joined the new season of True Blood, Deadline reports.

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Overton will appear in six episodes of the HBO vampire drama as a dirty but beautiful werewolf named Rikki. Herthum has signed on for five episodes, playing a large Marine-type werewolf who has little respect for the new pack leader.

Overton guest-starred on In Plain Sight this past spring. Herthum appeared on CSI, CSI: Miami, The Mentalist, NCIS and Criminal Minds earlier this year.