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I can't kill all those dumb ghosts at the end there along with the evil #1 nazi thing. 
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First of all, set your right-click to be the kick-attack. Pull out your knife, stand next to those zombie things and click (and hold) with both buttons. Those zombie things go down really, really fast with that combo. That way, you will only have to worry about dodging the ghosts.
Second of all, you can't kill the ghosts, I don't think. If you can, I didn't notice them going away when I was completely unloading. Anyway, run in circles around that freak until they're gone, then go at the guy with your biggest weapon. You'll most likely run out of ammunition before you finish. Don't forget: aim for the giant thing's head (headshot=damage x2 in this case).
Took me five minutes or something to take it down.
Nik