She is never seen again. She could either have been killed, or escaped, though she was most likely killed by Gantz and Billy.
Self-defence.
Yes. Just look at how her and her roommate were defensive towards Jack and Reggie when they 1st arrived. Also, her roommate was banging Gantz and tried defending him when Jack started pursuing him.
No, he is not. The character from this movie has the same name, and both characters are played by David Patrick Kelly, but he is not the character from "The Warriors".
