Carrie Preston

Carrie Preston, who plays True Blood's ditzy waitress Arlene, will guest-star on CBS' The Good Wife, TVGuide.com has confirmed.

Preston, who also portrayed Benjamin Linus' (Michael Emerson, her husband) mother on Lost, will play Elsbeth Mann, a member of Peter's legal team, for multiple episodes on Wife.

True Blood gets Season 3 return date

HBO declined to comment on what this means for her character on True Blood, but as fans of the books know, her character isn't featured heavily in the third book, so it's possible for her to do both.