Liane Balaban has been cast in a major Supernatural Season 8 role.

The actress (Alphas) will recur this fall on The CW favorite as Amelia, a love interest for Sam described in casting notices as someone with a tortured soul, but also someone who proves to be "brave, sweet, smart and sarcastic."

She's also a doctor.

Supernatural returns with new episodes on October 3 - and TV Fanatic will be on the red carpet with cast members this Sunday at Comic-Con!

What questions are you dying to hear the answers to?

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.