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who plays penny blake on grey's anatomy
In 2014 Samantha Sloyan began a recurring role in the ShondaLand-produced show Grey's Anatomy as Dr. Penelope Blake.
when did the show greys anatomy premier
Grey's Anatomy is an American medical drama television series that premiered on March 27, 2005.

Question: why was the show important for the actors in the show
Self-contained rewrite: why was the show greys anatomy important for the actors in the show