Deborah Ann Woll is not a vampire, but she does play one on TV. For those who don't recognize the name, you probably know her face: Woll plays teen vampire Jessica Hamby on the hit HBO series "True Blood," which is currently in its fifth season.

So what is it like to portray a vampire on the small screen, and how does one prepare for such a role? Do the "True Blood" vampires really drink blood?

Woll answered those questions and more when she was quizzed by CNN's "Starting Point" panel. Check out the video above and find out what she had to say!