Additional SAG Presenters Announced Inlcuding Weaver, Timberlake, Sedgwick, and Romano, 1/23

Sigourney Weaver, Justin Timberlake, Kyra Sedgwick, Ray Romano, Jeremy Renner, Carey Mulligan, Anthony Mackie, Anna Kendrick, Felicity Huffman and Brian Geraghty will be presenters at the 16th Annual Screen Actors Guild Awards, Executive Producer Jeff Margolis announced today. They join previously announced presenters Alec Baldwin, Sandra Bullock, George Clooney, Jane Lynch, Michelle Monaghan, Chris O'Donnell, Anna Paquin, Meryl Streep and Stanley Tucci in honoring their colleagues at this year's Actors ceremony.

The 16th Annual Screen Actors Guild Awards ceremony will be simulcast live on TNT and TBS from the Los Angeles Shrine Exposition Center on Saturday, Jan. 23, at 8 p.m. (ET/PT), 7 p.m. (CT) and 6 p.m. (MT). An encore presentation will air on TNT at 11 p.m. (ET/PT). (Viewers watching via satellite or in HD should check local listings.)

Preceding the SAG Awards® ceremony will be the premiere of "TNT and PEOPLE Magazine Present the SCREEN ACTORS GUILD AWARDS® RED CARPET SHOW" at 7:30 p.m. (ET/PT), 6:30 p.m. (CT) and 5:30 p.m. (MT) and the annual tnt.tv and tbs.com Red Carpet Webcast at 6:15 p.m. (ET), 5:15 p.m. (CT), 4:15 p.m. (MT) and 3:15 p.m. (PT).

Two-time SAG Award nominee Sigourney Weaver can currently be seen in the hit 3-D animated feature "Avatar" and the film "Crazy on the Outside." Weaver is nominated this year for her lead performance in the Lifetime television movie "Prayers for Bobby." Weaver can next be seen in the upcoming films "Paul" and "You Again."

Grammy and Emmy Award-winning Justin Timberlake has earned rave reviews for his hilarious "Saturday Night Live" characters and sketches. Timberlake is currently filming the feature film "The Social Network."

Screen Actors Guild Awards nominee Kyra Sedgwick currently stars on the TNT series "The Closer." Sedgwick's portrayal on the show earned her two nominations this year for both female lead and ensemble performance.

Actor recipient Ray Romano currently stars in "Men of a Certain Age" on TNT. Romano will next appear as a subject of "The Haney Project" on the Golf Channel.

In his first SAG Awards appearance, Jeremy Renner received a double nomination for his lead and cast performances in "The Hurt Locker." Renner can next be seen in feature film "The Town."

First-time nominee Carey Mulligan is celebrating two Actor nods this year for her lead role and ensemble performance in the feature film "An Education." Mulligan will next be seen starring in "Wall Street: Money Never Sleeps."

Anthony Mackie is receiving his first SAG Awards nomination for his ensemble performance in "The Hurt Locker" opposite Brian Geraghty and Jeremy Renner. Mackie will next be seen in the feature film "The Adjustment Bureau" and on Broadway in "A Behanding in Spokane."

Actor nominee Anna Kendrick stars in the critically-acclaimed film "Up in the Air," for which she received her first SAG Awards nomination in the supporting category. Next up for Kendrick is the dark comedy opposite James McAvoy and Seth Rogen, tentatively titled "I'm With Cancer."

Three-time Actor recipient Felicity Huffman can currently be seen on the hit ABC series "Desperate Housewives."

Two-time Actor nominee Brian Geraghty is nominated this year for his work in the ensemble of the film "The Hurt Locker." Geraghty may also be seen in the upcoming feature film "Easier with Practice" and on stage with Martin Sheen and Frances Conroy in "The Subject Was Roses."

Four-time Actor recipient Alec Baldwin, nominated again this year for his work on the NBC series "30 Rock," is currently starring in the hit film "It's Complicated." Baldwin will next be seen co-hosting the 82nd Academy Awards with Steve Martin. Four-time Actor recipient George Clooney, nominated for his performance in the film "Up in the Air," can currently be heard voicing the title character in the animated feature "Fantastic Mr. Fox" and seen in the film "The Men Who Stare at Goats." First-time Actor nominee Jane Lynch, recognized with a nomination for her work as a member of the ensemble on the Fox television series "Glee," also recently starred in the film "Julie & Julia."

Michelle Monaghan can currently be seen in the independent film "Trucker." She recently completed filming the upcoming feature "Somewhere."

Currently starring in the hit CBS television series "NCIS: Los Angeles," Chris O'Donnell announced the nominations for this year's SAG Awards along with Michelle Monaghan.

Three-time Actor nominee Anna Paquin is nominated this year for her performance as a member of the ensemble in the HBO television series "True Blood." Paquin can next be seen in the upcoming feature films "Margaret" and "The Romantics." Two-time Actor recipient Meryl Streep is nominated this year for her lead performance in the feature "Julie & Julia." Streep is currently starring in the animated feature "The Fantastic Mr. Fox" and the film "It's Complicated."

Two-time SAG Awards nominee Stanley Tucci received an Actor nomination this year for his supporting performance in "The Lovely Bones." He also recently starred in the feature "Julie & Julia," opposite Meryl Streep.

The 16th Annual Screen Actors Guild Awards will be produced by Jeff Margolis Productions in association with Screen Actors Guild Awards®, LLC. Jeff Margolis is the executive producer and director. Kathy Connell is the producer. JoBeth Williams, Daryl Anderson, Scott Bakula, Shelley Fabares and Paul Napier are producers for SAG. Gloria Fujita O'Brien and Mick McCullough are supervising producers. Benn Fleishman is executive in charge of production. More information is available online at www.sagawards.org.

Screen Actors Guild is the nation's largest labor union representing working actors. Established in 1933, SAG has a rich history in the American labor movement, from standing up to studios to break long-term engagement contracts in the 1940s to fighting for artists' rights amid the digital revolution sweeping the entertainment industry in the 21st century. With 20 branches nationwide, SAG represents more than 120,000 actors who work in film and digital theatrical motion pictures and television programs, commercials, video games, industrials, Internet and all new media formats. The Guild exists to enhance actors' working conditions, compensation and benefits and to be a powerful, unified voice on behalf of artists' rights. Headquartered in Los Angeles, SAG is a proud affiliate of the AFL-CIO. More information is available online at www.sag.org.