Rudolph, who stars in the NBC comedy “Up All Night” earned her first SAG Awards nomination this year as a cast member of the comedy feature “Bridesmaids” and will join Octavia Spencer (“The Help”), Kyle Chandler and Judy Greer as presenters at the 18th Annual Screen Actors Guild Awards, Executive Producer Jeff Margolis announced today.

The 18th Annual Screen Actors Guild Awards®, 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.