LOS ANGELES (AP) -- Rosario Dawson and Angie Harmon will join JoBeth Williams to announce the nominees for the 17th Annual Screen Actors Guild Awards.

Executive producer Jeff Margolis announced the presenters in a statement Monday night.

The SAG Awards nominations in five film and eight television categories will be announced on Thursday at the Pacific Design Center in West Hollywood.

Dawson is currently starring opposite Denzel Washington in the action thriller "Unstoppable." Harmon plays Boston detective Jane Rizzoli on the TNT series "Rizzoli & Isles."

The awards ceremony will be simulcast live coast-to-coast on TNT and TBS on Jan. 30 at 8 p.m EST from the Shrine Auditorium in Los Angeles.