"House" star High Laurie, Geena "Commander in Chief" Davis, Alyson Hannigan of "How I Met Your Mother" and Chris O'Donnell of "Head Cases" were also added to the roster of stars taking the stage during the Sept. 18 ceremony being broadcast by CBS, Zap2it.com reported. All six will be making their on-stage Emmy debuts.
Braff is nominated for outstanding lead actor in a comedy series and Laurie is nominated for best actor in a drama series.
Presenters and performers will be wearing magnolias -- the state flowers of Louisiana and Mississippi -- as a tribute to victims of Hurricane Katrina.
Notable deaths of 2014 [PHOTOS]