Armie Hammer, Ed Helms, Regina King, Julianna Margulies, Natalie Portman and SAG President Ken Howard to Present at the 18th Annual Screen Actors Guild Awards(R)

SAG Awards(R) will be Simulcast Live on TNT and TBS on Sunday, Jan. 29, 2012 at 8 p.m. (ET) / 5 p.m. (PT)

LOS ANGELES (January 11, 2012) - Actor(R) recipients Ed Helms, Julianna Margulies and Natalie Portman will join Actor nominee Armie Hammer, SAG Awards(R) social network ambassador Regina King and SAG President Ken Howard as presenters at the 18th Annual Screen Actors Guild Awards(R), Executive Producer Jeff Margolis announced today.

Actor recipient and six-time nominee Ed Helms is nominated again this year for his ensemble performance on the NBC comedy "The Office." Helms is also known for his role as Dr. Stu Price in "The Hangover" films and his work as a correspondent on "The Daily Show with Jon Stewart." Helms will next be seen in the upcoming Duplass Brothers film "Jeff Who Lives at Home."

Eight-time Actor honoree and sixteen-time nominee Julianna Margulies holds the SAG Awards' record for the most Actors received. Margulies received her eighth Actor in 2011 for her performance as Alicia Florrick in the CBS drama "The Good Wife," and is again nominated for that role. She is also celebrating her second consecutive nomination as a member of the show's ensemble. Her previous SAG Awards were for her lead and ensemble performance in "ER."

Natalie Portman received The Actor last year for her lead performance in "Black Swan" and was also nominated as a member of the "Black Swan" cast. She was most recently seen starring opposite Ashton Kutcher in the romantic comedy "No Strings Attached" and the action adventure "Thor" opposite Chris Hemsworth.

Armie Hammer is 18th SAG Awards nominee for his supporting performance in "J. Edgar" opposite Leonardo DiCaprio. Hammer was nominated last year as a member of "The Social Network" cast. Hammer will next be seen in the feature film "Mirror Mirror" opposite Julia Roberts.

Regina King currently stars in TNT's critically acclaimed drama series "Southland" and serves as the SAG Awards social network ambassador. King previously earned an Actor nomination as a cast member of the film "Ray."

The 18th Annual Screen Actors Guild Awards(R), one of the awards season's premier events, will be simulcast live coast-to-coast on TNT and TBS on Sunday, Jan. 29, 2012, at 8 p.m. (ET) / 5 p.m. (PT) from the Shrine Exposition Center in Los Angeles. An encore primetime telecast will begin immediately following on TNT at 10 p.m. (ET) / 7 p.m. (PT). The ceremony will also be telecast internationally.

Preceding the SAG Awards(R) ceremony will be the annual tnt.tv and tbs.com Red Carpet Webcast at 6:00 p.m. (ET) / 3:00 p.m. (PT) featuring the announcement of the SAG Honors for Outstanding Action Performances by Film and Television Stunt Ensembles at 6:15 p.m. (ET) / 3:15 p.m. (PT).

The 18th Annual Screen Actors Guild Awards will be produced by Jeff Margolis Productions in association with Screen Actors Guild Awards(R), LLC. For more information about the SAG Awards, SAG, TNT and TBS, visit sagawards.org/about, "like" SAG Awards at facebook.com/sagawardsofficialpage and follow SAG Awards at twitter.com/sagawards.