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Vampire Diaries: 24's Annie Wersching Booked for 'Caustic' Recurring Role

Vampire Diaries Annie Wersching

Another mysterious lady is making her way to Mystic Falls in 2015.

Annie Wersching (24) has been tapped to recur in The Vampire Diaries‘ sixth season as a “beautiful and strong” woman named Lily, TVLine has learned exclusively. Also described as “articulate and caustic,” Lily has a reputation for protecting the ones she loves at any cost, though it’s unclear as to who (or what) those loved ones are.

Lily will first appear in Episode 615.

In addition to playing Renee Walker on 24, Wersching’s small-screen resumé includes roles in Extant, BoschDallas and General Hospital. She’ll also reprise her recurring Castle character — the mysterious Dr. Kelly Nieman — later this season.

Your thoughts on Wersching’s casting? Any idea how Lily might factor into TVD‘s current drama? Drop a comment with your theories below.