Presenters Chenoweth ("Pushing Daisies"), Williams ("Ugly Betty") and "How I Met Your Mother" star Harris are not only presenting awards that evening, but they are also contending for television's highest honor.

Harris will also co-host the Creative Emmy Awards with Sarah Chalke, which will be presented Sept. 20 in Los Angeles.

"As we near the telecast, there will be more sets of presenters that will surprise almost everyone," executive producer Ken Ehrlich said in a statement. "We are pleased to have such comedic figures as Kathy Griffin and Don Rickles presenting together. In addition, we are excited to re-pair Kristin Chenoweth and Neil Patrick Harris together, as the chemistry they displayed at this year's Primetime Emmy nominations was just terrific."

The list of presenters also includes "Desperate Housewives" cast members Marcia Cross, Dana Delany, Teri Hatcher, Felicity Huffman, Eva Longoria Parker and Nicollette Sheridan, as well as "Ugly Betty" star America Ferrera.

Also slated to hand out awards are Laurence Fishburne, William Peterson, Kathy Griffin, Don Rickles, Conan O'Brien, Christian Slater, Kate Walsh, Hugh Laurie, Julia Louis-Dreyfus, Tina Fey, Amy Poehler, Jennifer Love Hewitt and Hayden Panettiere. Highlights of the Emmy nominations include The HBO Films presentation of "John Adams," which earned 23 nominations; the made-for-TV film of "A Raisin in the Sun"; the PBS broadcast of the recent revival of Stephen Sondheim's Company; and the 61st Annual Tony Awards.

Emmy-nominated stage actors include Alec Baldwin, Michael C. Hall, Ralph Fiennes, Kevin Spacey, Mary-Louise Parker, Sally Field, Glenn Close, Dame Judi Dench, Laura Linney, Phylicia Rashad, Zeljko Ivanek, Chandra Wilson, Audra McDonald, Eileen Atkins, Stanley Tucci, Elaine Stritch, Polly Bergen and Ellen Burstyn.

The 60th Primetime Emmy Awards will be presented Sept. 21. ABC-TV will broadcast the event live from the NOKIA Theatre in Los Angeles beginning at 8 PM ET.

For a complete list of Emmy nominees visit www.emmys.tv.