100930petermacnicol1.jpg 25.35K
0 downloadsPeter MacNicol has joined the cast of Grey's Anatomy for a multi-episode arc, TVGuide.com has learned exclusively.
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MacNicol, who starred in Ally McBeal, Numb3rs and 24, will play Dr. Stark, a pediatrics attending who will be working closely with Alex (Justin Chambers).
The 56-year-old actor will pop in during sweeps for at least two episodes.












