George Clooney, Kristen Wiig George Clooney, Kristen Wiig

George Clooney, Kristen Wiig and Kathy Bates are among the list of presenters for Sunday's Screen Actors Guild Awards, executive producer Jeff Margolis announced Thursday.

Clooney, who has received four SAG Awards, is nominated for his starring role in The Descendants, while Kristen Wiig is a first-time nominee for her role in Bridesmaids.

SAG Awards: Get an exclusive first look at the seating chart!

Bates, a two-time SAG Award recipient and eight-time nominee, is nominated for two awards this year — one for her portrayal of Gertrude Stein in Midnight in Paris and another for her role as Harriet Korn in Harry's Law.Modern Family dominates SAG nominationsOther presenters for the evening include Jessica Chastain, Sir Ben Kingsley, Melissa McCarthy, Brad Pitt, Zoe Saldana and Owen Wilson.The 18th annual SAG Awards air Sunday at 8/7c on TNT and TBS.