Christine (Fallout: New Vegas)

 is a woman in the trailer for "Dead Money" and is presumed a doctor because she is seen wearing wasteland doctor fatigues. She is seen stabing a ghost person the courier has just shot.

Background
She is seen working with the courier in the trailer for Dead Money, she also has an explosive collar, probably because she is being held captive by the same person holding the courier captive and is speaking during the trailer.

Appearances
appears in the Fallout: New Vegas Add-on Dead Money.