Michael Imperioli

After playing mobster Christopher Moltisanti on The Sopranos for six seasons, Michael Imperioli has been in his fair share of TV fights. But what will happen when he goes up against Dwight Schrute (Rainn Wilson)?!

Fans will find out when the Emmy winner guest-stars on The Office this spring as Sensei Billy, a teacher at Dwight's dojo, TVLine reports. It is not certain that Billy and Dwight will come to blows — or should we karate kicks — but there will definitely be some sparks because, hello, this is know-it-all Dwight after all.

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Office fans first got a taste of Dwight's karate skills in the classic Season 2 episode "The Fight" when Michael (Steve Carell) beat Dwight during a lunchtime match at Dwight's dojo. Feeling sorry for an embarrassed Dwight, Michael then promoted him from "Assistant to the Regional Manager" to "Assistant Regional Manager."

Since getting whacked on HBO's acclaimed drama, Imperioli has starred on the short-lived U.S. version of Life on Mars and Detroit 1-8-7. He most recently appeared on Girls and Necessary Roughness last year.

The Office airs Thursdays at 9/8c on NBC.