Mike O'Malley pulling double duty acting on 'Glee,' writing for 'Shameless' [Video]
Most television viewers currently know Mike O'Malley from his Emmy-nominated role as Burt Hummel on "Glee," but he has been pulling double duty this past season as a producer and writer for the drama series "Shameless." In a video chat with Gold Derby, O'Malley said, "It's really different work. To work as a writer on a show is extremely lonely sometimes because you're the…