David Costabile, who plays Mike "Wags" Wagner on Showtime's "Billions," revealed to Business Insider how he takes care of Wags' signature twisty mustache. "There's a double dose of waxing a day ...

David Costabile is an American actor. He is best known for his television work, having appeared in supporting roles in several television series such as Billions, Breaking Bad and Better Call Saul ...