TV Guide chatted with Charisma Carpenter, who may be in the running for Wonder Woman:
TVGuide.com: Is it with Joss Whedon, and you're holding a golden lasso? [Carpenter's name often comes up in discussions about the Buffy creator's in-the-works Wonder Woman feature film.]
Carpenter: We're working on that [Carpenter possibly playing Wonder Woman]. I'm working on it, I'm working on it...
Check out the full interview at the link above with more comments from her about a recent polls about the possible film.
Source: TV Guide