Complete list of winners of the 15th annual Screen Actors Guild Awards: Movies: —Cast: "Slumdog Millionaire." —Actor in a leading role: Sean Penn, "Milk." —Actress in a leading role: Meryl Streep, "Doubt." —Supporting actor: Heath Ledger, "The Dark Knight." —Supporting actress: Kate Winslet, "The Reader." —Stunt ensemble: "The Dark Knight." Television: —Drama series cast: "Mad Men." —Actor in a drama series: Hugh Laurie, "House." —Actress in a drama series: Sally Field, "Brothers & Sisters." —Comedy series cast: "30 Rock." —Actor in a comedy series: Alec Baldwin, "30 Rock." —Actress in a comedy series: Tina Fey, "30 Rock." —Actor in a movie or miniseries: Paul Giamatti, "John Adams." —Actress in a movie or miniseries: Laura Linney, "John Adams." —Stunt ensemble: "Heroes." Life Achievement: James Earl Jones.