Teaser cuts of Lee Jin Wook, who will be playing Cha Ji Won (Mr. Black) in MBC's upcoming drama 'Goodbye Mr. Black,' were revealed, and the actor is looking sharp in uniform! 

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Cha Ji Won starts off as a lovable, caring character, a happy-go-lucky guy who is hard to dislike. However, after being betrayed by a friend he trusted, he makes 180-degree change and transforms into someone who thinks of nothing but exacting vengeance. 

If you want to find out just what makes Lee Jin Wook tick, then tune in to the series when it premieres on March 16!