Rich Sommer to Guest-Star on Nikita

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.

Check out the rest of today's news

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.