"Grey's Anatomy" stars Patrick Dempsey and Sandra Oh have been added to the list of presenters for this year's Emmys, as have two TV classics: Mary Tyler Moore and Betty White, who will present together.

Other A-Listers added to the presenters list include Alec Baldwin, Glenn Close, Stephen Colbert, Craig Ferguson, Sally Field, Ricky Gervais, Martin Sheen, Brooke Shields and Jon Stewart.

Kathryn Joosten, Cynthia Nixon and Glynn Turman have also been asked to present, following their wins in the Guest Actor/Actress categories at last Saturday's Creative Arts Emmys.

"These are our last group of presenters, and I have to say that we are thrilled with the caliber of talent that will be presenting Emmys at this year's show," said executive producer Ken Ehrlich. "Tune in on Sunday to see the vast array of celebrities that best represent the last 60 years of television on our stage."

Previously announced celeb presenters include Kate Walsh, Christian Slater, Conan O'Brien, William Petersen, Laurence Fishburne, America Ferrera, Sarah Chalke, Kristin Chenoweth, Jennifer Love Hewitt, Hayden Panettiere, Vanessa Williams, Teri Hatcher, Neil Patrick Harris, Marcia Cross, Dana Delany, Don Rickles, Nicollette Sheridan, Felicity Huffman, Eva Longoria Parker, Hugh Laurie, Julia Louis-Dreyfus, Kathy Griffin, Tina Fey and Amy Poehler.

The "60th Primetime Emmy Awards" takes place Sunday, Sept. 21 at 8 p.m. from the NOKIA Theater in Los Angeles.