Before Pauley Perrette rose to fame on NCIS, she had a surprising role on Frasier, where her appearance was quite different.

Pauley Perrette may have left her role as Abby Sciuto ... In the photos, Pauley is sporting her signature rainbow-hued hair, ...

However, she revealed the reason she maintained her hair color was much … Which 'NCIS' actor's departure, between Michael Weatherly, Cote de Pablo, and Pauley Perrette, most negatively impacted ...