On the left (and most likely on the right as well) is Dr. Elizabeth Dehner.
The shot on the left was taken for Star Trek’s second pilot episode called “where no man has gone before” (wiki) it aired on September 22, 1966. On the Right was a preview that was just released for the film slated for 2013.
The villain in that episode is Lt. Cmdr. Gary Mitchell.
There is a 99.9999% chance that the villain is going to be Gary Mitchell and you’re looking at Dr. Elizabeth Dehner in the above photos.
There were only 2 episodes in the original series (that I can recall) where Kirk Abandoned someone on a planet, one was Khan (which starred in the movie Star Trek, The Wrath of Khan) the other was Gary Mitchell.
Khan came back in that movie… now it’s Gary’s turn.
Take what you want out of it.