Dawson's Creek's Pacey Witter, otherwise known as Joshua Jackson, has come aboard the ABC series Grey's Anatomy. According to Variety, he will be appearing in several upcoming episodes of the medical drama.

Jackson will be playing a doctor in this season's eleventh episode. His story arc will run through a good portion of this year's storyline. It will mark Jackson's first attempt at episodic television since Dawson's Creek ended its run in 2003.

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In other casting news, both Larenz Tate and Carrie-Anne Moss have nabbed roles in two high profile pilots. Moss is gearing up to play Joseph Fiennes' wife in Pretty Handsome. The FX series revolves around a man who undergoes a sex change operation.

Tate will play Andre in Brett Ratner's upcoming NBC police drama Blue Blood. That show does not have a set start date at this time.

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