Previously announced show host Nathan Fillion ("Castle") will be master of ceremonies. Also on the list of presenters are Fillion's "Castle" co-star Stana Katic, "Modern Family" stars Julie Bowen, Eric Stonestreet and Rico Rodriguez, Kate Walsh ("Private Practice") and Brad Garrett ("Everybody Loves Raymond").
The Writers Guild Award ceremony is on February 17 at the JW Marriott LA LIVE in Los Angeles.
WGA-nominated screenwriters will be featured at the annual "Beyond Words" panel on February 7 at the Guild's theater. Confirmed panelists include Mark Boal ("Zero Dark Thirty"), Stephen Chbosky ("The Perks of Being a Wallflower"), Roman Coppola ("Moonrise Kingdom"), John Gatins ("Flight"), David Magee ("Life of Pi"), David O. Russell ("Silver Linings Playbook") and Chris Terrio ("Argo"). Dustin Lance Black ("Milk") will moderate.