Secret Circle Alum to Come Between Vampire Diaries' Tyler and Caroline

Uh oh, Team Forwood fans, there's a new lady coming for Tyler.

The Secret Circle alum Phoebe Tonkin has been cast on The Vampire Diaries, TVGuide.com has learned. The Australian actress will play Hayley, a wild, sexy and very free-spirited friend with whom Tyler (Michael Trevino) shares a past.  She'll first appear in Episode 3.