Kelly LeBrock is the entire movie!
I watched this guilty pleasure of my youth once again. Not only was Kelly LeBrock one of the hottest women of the 80s, she has incredible on-screen charisma that only she could bring to Weird Science. This movie would have been just another crappy teen movie from the 80s if some other model babe played Lisa.
One of the sad things about getting older is the sex symbols from your youth are also aging.