The smash hit musical comedy-drama television series “Glee” is casting new series regulars to make up the new high school glee club for the show’s fourth season. Filming is scheduled to start in late July, however rehearsals will possibly begin in early July. The show’s extras will be cast closer to the start of shooting in July. “Glee” is filmed at Paramount Studios in Los Angeles utilizing a single-camera setup. Season 4 of “Glee” will launch on a new night and time on Thursday September 13, 2012 at 9:00-10:00pm ET/PT.