who plays the pretty dark pig tailed doctor who works in the morgue i like her anyone know and also what her name is

do you mean Liz Vassey (http://www.google.com/search?q=Liz+Vassey&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a)?

no i just realized i had wrong show i was looking for abby lol gothic girl she on ncis my bad csi and ncis kind sounded same to me at first ge them 2 confused

Abby is played by Pauley Perrette.