Libby Leaving?

Cynthia Watros (Libby) is doing a pilot for CBS. "My Ex-Life" had Gillian Vigman as the female lead, but that part will now be played by Cynthia. So far, she is billed as a guest star on the show, but the speculation is that she may sign a contract and possibly leave Lost.

Sources:

Reality TV World

Film Stew