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By Natalie Abrams | Mar 16, 2011 5:17 PM EDT
Mad Men's Rich Sommer will guest-star in an upcoming episode of Nikita, TVGuide.com has confirmed.
Sommer will play Malcolm Mitchell, a CIA consultant who helps Nikita (Maggie Q) break into Percy's black boxes. TVLine first reported the news.
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The 33-year-old actor will first appear in Episode 21 for a two-episode arc.
Nikita airs Thursdays at 9/8c on the CW.
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