Actors Angela Bassett (“ER”) and Eric McCormack (“Will & Grace”) announced the nominees for the 15th Annual Screen Actors Guild awards live this morning from the Pacific Design Center’s Silver Screen Theater in West Hollywood. The ceremony will be simulcast live nationally on TNT and TBS on Sunday, January 25th, 2009 at 8 p.m. ET/PT, 7 p.m. CT, and 6 p.m. MT. FILM Actor: Richard Jenkins – The Visitor Frank Langella – Frost/Nixon Sean Penn – Milk Brad Pitt – The Curious Case of Benjamin Button Mickey Rourke – The Wrestler Actress: Anne Hathaway – Rachel Getting Married Angelina Jolie – Changeling Melissa Leo – Frozen River Meryl Streep –…