The winners of the 2014 Screen Actors Guild Awards are summarized. Lupita Nyong'o won for female actor in a supporting role for '12 Years a Slave.' Julia Louis-Dreyfus won for female actor in a comedy series for 'Veep.' Matthew McConaughey won for male actor in a leading role for 'Dallas Buyers Club.' '12 Years a Slave' won for cast in a motion picture.