LOS ANGELES -- Meryl Streep of the Roman Catholic drama "Doubt" and Sean Penn of the Harvey Milk film biography "Milk" won lead-acting honors Sunday at the Screen Actors Guild Awards.
The prize for overall cast went to "Slumdog Millionaire," while Heath Ledger of "The Dark Knight" and Kate Winslet of "The Reader" took supporting honors.
As it did at the Golden Globes, "30 Rock" swept the TV comedy honors, with Tina Fey and Alec Baldwin taking the individual acting prizes and the show winning the ensemble cast award.
Hugh Laurie won his second straight SAG prize for best actor in a TV drama for the medical show "House." Sally Field earned the TV drama actress award for the series "Brothers & Sisters," while the advertising saga "Mad Men" was named best drama show.