TNT has greenlit "Truth In Advertising," a new drama series starring Eric McCormack (Will & Grace) and Tom Cavanagh (Ed) and executive-produced by the creators of ad-supported cable's #1 series of all time, The Closer.

The drama centers on two highly creative ad executives whose professional partnership and friendship are put to the test when one is named creative director of their firm. Monica Potter, Griffin Dunne, Sarah Clarke, Mike Damus and Geoffrey Arend also star in the series, which comes to TNT from Warner Horizon Television.