Guy Pearce kills the Morlocks and stays in the future.
Uber-Morlock: You built your time machine because of Emma's death. If she had lived, it would never have existed. So how could you use your machine to go back to save her?
When the Über-Morlock grabs Alexander by the neck because Alexander said it was a pervertion to every natural law you can see the Über-Morlok's thumb nail is unsticking and starts to slide sideways.
At the end of the movie, when Mrs. Watchitt is standing in the doorway, there is a picture of H.G. Wells hanging on the wall behind her.