Previously announced presenters include Julianna Margulies (Festen), Sofia Vergara (Chicago), Amy Poehler, Will Arnett, Zooey Deschanel and Ashton Kutcher.
The awards show, hosted by Emmy Award-winning "Glee" star Jane Lynch, will air on Fox from the NOKIA Theatre L.A. LIVE in Los Angeles Sept. 18.
Marguerite Derricks, whose choreography credits include Wonderland and A Class Act, will choreograph the Primetime Emmys.
The 63rd Primetime Emmy Awards are executive-produced by Mark Burnett. For more information and a list of nominees, visit www.emmys.tv.