Grey's Anatomy Welcomes Peter MacNicol For Several Episodes image

Peter MacNicol (CBS)

Multi-episode arc.

Talented actor Peter MacNicol will be joining the cast of Grey's Anatomy for a multi-episode arc this season according to TV Guide. Peter will portray a pediatrics attending named Dr. Stark, who will interact with Justin Chamber's character, Dr. Alex Korev. His episodes are expected to air during sweeps.

MacNicol is best known for his roles on "Numb3rs," "24," and "Ally McBeal." is excited to see the actor on Grey's Anatomy! How do you feel about Peter joining the cast? Let us know by voting in the poll. If you've missed an episode, check out our Grey's Anatomy updates. Feel free to follow on Twitter @soapoperafan for more news on Glee, Vampire Diaries, Grey's Anatomy and all current soap operas, and "like us" on’s Official Facebook Page. See you there!