The awards broadcast, honoring excellence in television, will be held Aug. 25 at the NOKIA Theatre in Los Angeles. Seth Myers will host.

Along with Davis (Fences, King Hedley II) and Messing (Outside Mullingar, "Will and Grace"), the roster includes Tony nominee Allison Janney (A View From the Bridge, 9 to 5), Keegan-Michael Key ("Fargo," "Reno 911!"), Lucy Liu (God of Carnage, "Elementary"), Jordan Peele ("MADtv," "Fargo"), Andy Samberg ("Brooklyn Nine-Nine," "Saturday Night Live"), Octavia Spencer ("The Help," "Fruitvale Station") and Sofia Vergara (Chicago, "Modern Family").

Previously reported presenters include Matthew McConaughey ("True Detective," "Dallas Buyers Club"), Woody Harrelson ("True Detective," The Rainmaker), Julia Roberts ("The Normal Heart," Three Days of Rain), Halle Berry ("Monster's Ball," "X-Men"),  Bryan Cranston ("Breaking Bad," All The Way), Kerry Washington ("Scandal," Race) and Julianna Margulies ("The Good Wife," Festen).

"Voice" hosts Gwen Stefani and Maroon 5 lead singer Adam Levine will also present, as well as Zooey Deschanel ("New Girl," "[500] Days of Summer"), Julia Louis-Dreyfus ("Veep," "Seinfeld"), Jim Parsons ("The Big Bang Theory," Harvey) and Amy Poehler ("Saturday Night Live," "Parks and Recreation").

Visit emmys.com for more information.