David M. Russell/CBS
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Christine Baranski, The Good Wife
Baranski has been a consistent hitter for the CBS legal drama from the start, but she knocked it out of the park in Season 3. Whether it was Diane's rise to firm leader in Will's absence, her increased mentorship of Alicia or her suddenly very busy love life, Baranski, who manages to do both slick and poignant at the same time, juggled it all without letting fans see her — or the always powerful Diane — sweat.